diff --git a/lib/API/JSON/API.php b/lib/API/JSON/API.php
index dbc26102af..256baf0453 100644
--- a/lib/API/JSON/API.php
+++ b/lib/API/JSON/API.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\API\JSON;
 
 use MailPoet\API\JSON\Endpoint;
diff --git a/lib/API/JSON/Error.php b/lib/API/JSON/Error.php
index 85d0ef7f76..252228f556 100644
--- a/lib/API/JSON/Error.php
+++ b/lib/API/JSON/Error.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\API\JSON;
 
 final class Error {
diff --git a/lib/API/JSON/ErrorResponse.php b/lib/API/JSON/ErrorResponse.php
index b196b718ee..8c44c3e17e 100644
--- a/lib/API/JSON/ErrorResponse.php
+++ b/lib/API/JSON/ErrorResponse.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\API\JSON;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class ErrorResponse extends Response {
diff --git a/lib/API/JSON/Response.php b/lib/API/JSON/Response.php
index 01dc4ac9e1..8220c77e6b 100644
--- a/lib/API/JSON/Response.php
+++ b/lib/API/JSON/Response.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\API\JSON;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 abstract class Response {
diff --git a/lib/API/JSON/SuccessResponse.php b/lib/API/JSON/SuccessResponse.php
index 4b363b22b4..f4c47e09f8 100644
--- a/lib/API/JSON/SuccessResponse.php
+++ b/lib/API/JSON/SuccessResponse.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\API\JSON;
 
 class SuccessResponse extends Response {
diff --git a/lib/API/MP/v1/API.php b/lib/API/MP/v1/API.php
index fc6509efae..b059e82497 100644
--- a/lib/API/MP/v1/API.php
+++ b/lib/API/MP/v1/API.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\API\MP\v1;
 
 use MailPoet\CustomFields\ApiDataSanitizer;
diff --git a/lib/API/MP/v1/APIException.php b/lib/API/MP/v1/APIException.php
index 2c915dfa41..9fd069285e 100644
--- a/lib/API/MP/v1/APIException.php
+++ b/lib/API/MP/v1/APIException.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\API\MP\v1;
 
 class APIException extends \Exception {
diff --git a/lib/Analytics/Reporter.php b/lib/Analytics/Reporter.php
index 762aa3aa56..6057375b4d 100644
--- a/lib/Analytics/Reporter.php
+++ b/lib/Analytics/Reporter.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Analytics;
 
 use Carbon\Carbon;
diff --git a/lib/Config/AccessControl.php b/lib/Config/AccessControl.php
index 22f52c0cad..970e06ee72 100644
--- a/lib/Config/AccessControl.php
+++ b/lib/Config/AccessControl.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Config;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class AccessControl {
diff --git a/lib/Config/Capabilities.php b/lib/Config/Capabilities.php
index 5912d04840..b1b9ce71bd 100644
--- a/lib/Config/Capabilities.php
+++ b/lib/Config/Capabilities.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Config;
+
 use MailPoet\WP\Functions as WPFunctions;
 use WP_Role;
 
diff --git a/lib/Config/Env.php b/lib/Config/Env.php
index 759613aa36..867e49f372 100644
--- a/lib/Config/Env.php
+++ b/lib/Config/Env.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Config;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class Env {
diff --git a/lib/Config/Installer.php b/lib/Config/Installer.php
index 86c8579379..fff774f1ed 100644
--- a/lib/Config/Installer.php
+++ b/lib/Config/Installer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Config;
 
 use MailPoet\Services\Bridge;
diff --git a/lib/Config/Localizer.php b/lib/Config/Localizer.php
index 8a10b36787..5c8a9fe3bc 100644
--- a/lib/Config/Localizer.php
+++ b/lib/Config/Localizer.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Config;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class Localizer {
diff --git a/lib/Config/Migrator.php b/lib/Config/Migrator.php
index 6254503545..d1d8dc6f65 100644
--- a/lib/Config/Migrator.php
+++ b/lib/Config/Migrator.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Config;
 
 use MailPoet\Models\Subscriber;
diff --git a/lib/Config/PluginActivatedHook.php b/lib/Config/PluginActivatedHook.php
index cd622f6b80..3fa1806f23 100644
--- a/lib/Config/PluginActivatedHook.php
+++ b/lib/Config/PluginActivatedHook.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Config;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class PluginActivatedHook {
diff --git a/lib/Config/Populator.php b/lib/Config/Populator.php
index bb6b05812d..b3028c34e1 100644
--- a/lib/Config/Populator.php
+++ b/lib/Config/Populator.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Config;
 
 use Carbon\Carbon;
diff --git a/lib/Config/RequirementsChecker.php b/lib/Config/RequirementsChecker.php
index 3a53081c62..35f0e4608f 100644
--- a/lib/Config/RequirementsChecker.php
+++ b/lib/Config/RequirementsChecker.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Config;
 
 use MailPoet\Util\Helpers;
diff --git a/lib/Config/ServicesChecker.php b/lib/Config/ServicesChecker.php
index c8529bfa18..c2de6f67c2 100644
--- a/lib/Config/ServicesChecker.php
+++ b/lib/Config/ServicesChecker.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Config;
 
 use MailPoet\Models\Subscriber;
diff --git a/lib/Config/Updater.php b/lib/Config/Updater.php
index 53a871ade9..99f94336dd 100644
--- a/lib/Config/Updater.php
+++ b/lib/Config/Updater.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Config;
 
 use MailPoet\Services\Bridge;
diff --git a/lib/Cron/CronTrigger.php b/lib/Cron/CronTrigger.php
index f538d22e95..698744dbc1 100644
--- a/lib/Cron/CronTrigger.php
+++ b/lib/Cron/CronTrigger.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Cron/Daemon.php b/lib/Cron/Daemon.php
index 58412fbfce..71b07cb882 100644
--- a/lib/Cron/Daemon.php
+++ b/lib/Cron/Daemon.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron;
 
 use MailPoet\Cron\Workers\WorkersFactory;
diff --git a/lib/Cron/DaemonHttpRunner.php b/lib/Cron/DaemonHttpRunner.php
index d2d2f4b460..0980d37871 100644
--- a/lib/Cron/DaemonHttpRunner.php
+++ b/lib/Cron/DaemonHttpRunner.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron;
 
 use MailPoet\Cron\Triggers\WordPress;
diff --git a/lib/Cron/Supervisor.php b/lib/Cron/Supervisor.php
index 067680e126..f29a87ff29 100644
--- a/lib/Cron/Supervisor.php
+++ b/lib/Cron/Supervisor.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron;
 
 class Supervisor {
diff --git a/lib/Cron/Triggers/MailPoet.php b/lib/Cron/Triggers/MailPoet.php
index a2e5be37ae..7daa5915dc 100644
--- a/lib/Cron/Triggers/MailPoet.php
+++ b/lib/Cron/Triggers/MailPoet.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Triggers;
 
 use MailPoet\Cron\Supervisor;
diff --git a/lib/Cron/Triggers/WordPress.php b/lib/Cron/Triggers/WordPress.php
index 1c4a4feeaf..4878b26292 100644
--- a/lib/Cron/Triggers/WordPress.php
+++ b/lib/Cron/Triggers/WordPress.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Triggers;
 
 use MailPoet\Cron\Workers\AuthorizedSendingEmailsCheck;
diff --git a/lib/Cron/Workers/AuthorizedSendingEmailsCheck.php b/lib/Cron/Workers/AuthorizedSendingEmailsCheck.php
index 48689a8583..737c60c3b2 100644
--- a/lib/Cron/Workers/AuthorizedSendingEmailsCheck.php
+++ b/lib/Cron/Workers/AuthorizedSendingEmailsCheck.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use MailPoet\Models\ScheduledTask;
diff --git a/lib/Cron/Workers/Beamer.php b/lib/Cron/Workers/Beamer.php
index 4b316cb608..e559346b18 100644
--- a/lib/Cron/Workers/Beamer.php
+++ b/lib/Cron/Workers/Beamer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/lib/Cron/Workers/Bounce.php b/lib/Cron/Workers/Bounce.php
index 5347ffdb04..08d75c1063 100644
--- a/lib/Cron/Workers/Bounce.php
+++ b/lib/Cron/Workers/Bounce.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use MailPoet\Cron\CronHelper;
diff --git a/lib/Cron/Workers/ExportFilesCleanup.php b/lib/Cron/Workers/ExportFilesCleanup.php
index d439f08ad3..ea2d82d7b6 100644
--- a/lib/Cron/Workers/ExportFilesCleanup.php
+++ b/lib/Cron/Workers/ExportFilesCleanup.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/lib/Cron/Workers/InactiveSubscribers.php b/lib/Cron/Workers/InactiveSubscribers.php
index e0cf50d966..12e1efabc3 100644
--- a/lib/Cron/Workers/InactiveSubscribers.php
+++ b/lib/Cron/Workers/InactiveSubscribers.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use MailPoet\Cron\CronHelper;
diff --git a/lib/Cron/Workers/KeyCheck/KeyCheckWorker.php b/lib/Cron/Workers/KeyCheck/KeyCheckWorker.php
index 0d376cab79..51d5534b10 100644
--- a/lib/Cron/Workers/KeyCheck/KeyCheckWorker.php
+++ b/lib/Cron/Workers/KeyCheck/KeyCheckWorker.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\KeyCheck;
 
 use MailPoet\Cron\Workers\SimpleWorker;
diff --git a/lib/Cron/Workers/KeyCheck/PremiumKeyCheck.php b/lib/Cron/Workers/KeyCheck/PremiumKeyCheck.php
index 3e72f97f66..74dd948e0f 100644
--- a/lib/Cron/Workers/KeyCheck/PremiumKeyCheck.php
+++ b/lib/Cron/Workers/KeyCheck/PremiumKeyCheck.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\KeyCheck;
 
 use MailPoet\Services\Bridge;
diff --git a/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php b/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php
index 84cd070d9d..b790619e3f 100644
--- a/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php
+++ b/lib/Cron/Workers/KeyCheck/SendingServiceKeyCheck.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\KeyCheck;
 
 use MailPoet\Mailer\Mailer;
diff --git a/lib/Cron/Workers/SendingQueue/Migration.php b/lib/Cron/Workers/SendingQueue/Migration.php
index 7aa20f8c17..7319d895ad 100644
--- a/lib/Cron/Workers/SendingQueue/Migration.php
+++ b/lib/Cron/Workers/SendingQueue/Migration.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\SendingQueue;
 
 use Carbon\Carbon;
diff --git a/lib/Cron/Workers/SendingQueue/SendingErrorHandler.php b/lib/Cron/Workers/SendingQueue/SendingErrorHandler.php
index 36584f9306..af66a6edd1 100644
--- a/lib/Cron/Workers/SendingQueue/SendingErrorHandler.php
+++ b/lib/Cron/Workers/SendingQueue/SendingErrorHandler.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\SendingQueue;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Cron/Workers/SendingQueue/SendingQueue.php b/lib/Cron/Workers/SendingQueue/SendingQueue.php
index 603c5aa43b..658391f51c 100644
--- a/lib/Cron/Workers/SendingQueue/SendingQueue.php
+++ b/lib/Cron/Workers/SendingQueue/SendingQueue.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\SendingQueue;
 
 use MailPoet\Cron\CronHelper;
diff --git a/lib/Cron/Workers/SendingQueue/Tasks/Links.php b/lib/Cron/Workers/SendingQueue/Tasks/Links.php
index 1e482f7503..eff49e9157 100644
--- a/lib/Cron/Workers/SendingQueue/Tasks/Links.php
+++ b/lib/Cron/Workers/SendingQueue/Tasks/Links.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\SendingQueue\Tasks;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php b/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php
index 41ea78a522..f9c37aa718 100644
--- a/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php
+++ b/lib/Cron/Workers/SendingQueue/Tasks/Mailer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\SendingQueue\Tasks;
 
 use MailPoet\Mailer\Mailer as MailerFactory;
diff --git a/lib/Cron/Workers/SendingQueue/Tasks/Posts.php b/lib/Cron/Workers/SendingQueue/Tasks/Posts.php
index e3af42505b..1be9590d11 100644
--- a/lib/Cron/Workers/SendingQueue/Tasks/Posts.php
+++ b/lib/Cron/Workers/SendingQueue/Tasks/Posts.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\SendingQueue\Tasks;
 
 use MailPoet\Logging\Logger;
diff --git a/lib/Cron/Workers/SubscriberLinkTokens.php b/lib/Cron/Workers/SubscriberLinkTokens.php
index 2ca88bf356..d08278e782 100644
--- a/lib/Cron/Workers/SubscriberLinkTokens.php
+++ b/lib/Cron/Workers/SubscriberLinkTokens.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/lib/Cron/Workers/UnsubscribeTokens.php b/lib/Cron/Workers/UnsubscribeTokens.php
index 77499fd878..83445cb25b 100644
--- a/lib/Cron/Workers/UnsubscribeTokens.php
+++ b/lib/Cron/Workers/UnsubscribeTokens.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/lib/Cron/Workers/WooCommerceOrders.php b/lib/Cron/Workers/WooCommerceOrders.php
index 390381f040..8ba829998a 100644
--- a/lib/Cron/Workers/WooCommerceOrders.php
+++ b/lib/Cron/Workers/WooCommerceOrders.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/lib/Cron/Workers/WooCommerceSync.php b/lib/Cron/Workers/WooCommerceSync.php
index 3b43a1f61c..b9fadcd27e 100644
--- a/lib/Cron/Workers/WooCommerceSync.php
+++ b/lib/Cron/Workers/WooCommerceSync.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/lib/Form/Block/Checkbox.php b/lib/Form/Block/Checkbox.php
index d06b1f78bb..0d2843a486 100644
--- a/lib/Form/Block/Checkbox.php
+++ b/lib/Form/Block/Checkbox.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 class Checkbox extends Base {
diff --git a/lib/Form/Block/Date.php b/lib/Form/Block/Date.php
index 9554ac436a..052fce40a7 100644
--- a/lib/Form/Block/Date.php
+++ b/lib/Form/Block/Date.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 use Carbon\Carbon;
diff --git a/lib/Form/Block/Divider.php b/lib/Form/Block/Divider.php
index 3e0ab0c46b..255ad38a81 100644
--- a/lib/Form/Block/Divider.php
+++ b/lib/Form/Block/Divider.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 class Divider {
diff --git a/lib/Form/Block/Html.php b/lib/Form/Block/Html.php
index 8e7e8b9985..39eb1803ef 100644
--- a/lib/Form/Block/Html.php
+++ b/lib/Form/Block/Html.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 class Html {
diff --git a/lib/Form/Block/Radio.php b/lib/Form/Block/Radio.php
index f688e1186f..0d9b594d3d 100644
--- a/lib/Form/Block/Radio.php
+++ b/lib/Form/Block/Radio.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 class Radio extends Base {
diff --git a/lib/Form/Block/Segment.php b/lib/Form/Block/Segment.php
index 3620227364..50008bb816 100644
--- a/lib/Form/Block/Segment.php
+++ b/lib/Form/Block/Segment.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 class Segment extends Base {
diff --git a/lib/Form/Block/Select.php b/lib/Form/Block/Select.php
index b31b757c7d..b85b39b2a2 100644
--- a/lib/Form/Block/Select.php
+++ b/lib/Form/Block/Select.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Form/Block/Submit.php b/lib/Form/Block/Submit.php
index 9c9fb7b864..2be63d81fb 100644
--- a/lib/Form/Block/Submit.php
+++ b/lib/Form/Block/Submit.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 class Submit extends Base {
diff --git a/lib/Form/Block/Textarea.php b/lib/Form/Block/Textarea.php
index 4a4041ace9..1342b57ee6 100644
--- a/lib/Form/Block/Textarea.php
+++ b/lib/Form/Block/Textarea.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Block;
 
 class Textarea extends Base {
diff --git a/lib/Form/Renderer.php b/lib/Form/Renderer.php
index bf509deaca..aebaffdcf1 100644
--- a/lib/Form/Renderer.php
+++ b/lib/Form/Renderer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Form/Util/Export.php b/lib/Form/Util/Export.php
index 09effc83be..e584903eac 100644
--- a/lib/Form/Util/Export.php
+++ b/lib/Form/Util/Export.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Form\Util;
+
 use MailPoet\Form\Widget;
 use MailPoet\Config\Env;
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Form/Util/Styles.php b/lib/Form/Util/Styles.php
index 8f441463a2..fc7d95d3bb 100644
--- a/lib/Form/Util/Styles.php
+++ b/lib/Form/Util/Styles.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Form\Util;
 
 use MailPoetVendor\Sabberworm\CSS\Parser as CSSParser;
diff --git a/lib/Listing/BulkActionController.php b/lib/Listing/BulkActionController.php
index 29c1989b5c..4057cd9a2b 100644
--- a/lib/Listing/BulkActionController.php
+++ b/lib/Listing/BulkActionController.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Listing;
 
 class BulkActionController {
diff --git a/lib/Listing/BulkActionFactory.php b/lib/Listing/BulkActionFactory.php
index 241c25a055..a618dd5f53 100644
--- a/lib/Listing/BulkActionFactory.php
+++ b/lib/Listing/BulkActionFactory.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Listing;
 
 class BulkActionFactory {
diff --git a/lib/Listing/Handler.php b/lib/Listing/Handler.php
index 147624961a..79a193bf67 100644
--- a/lib/Listing/Handler.php
+++ b/lib/Listing/Handler.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Listing;
 
 class Handler {
diff --git a/lib/Listing/PageLimit.php b/lib/Listing/PageLimit.php
index 437d4d4e5c..a673ac6751 100644
--- a/lib/Listing/PageLimit.php
+++ b/lib/Listing/PageLimit.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Listing;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Mailer/Mailer.php b/lib/Mailer/Mailer.php
index 10cf67adfb..967e554536 100644
--- a/lib/Mailer/Mailer.php
+++ b/lib/Mailer/Mailer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer;
 
 use MailPoet\Mailer\Methods\ErrorMappers\AmazonSESMapper;
diff --git a/lib/Mailer/MailerError.php b/lib/Mailer/MailerError.php
index b147b22292..088b4bd2f8 100644
--- a/lib/Mailer/MailerError.php
+++ b/lib/Mailer/MailerError.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Mailer;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class MailerError {
diff --git a/lib/Mailer/MailerLog.php b/lib/Mailer/MailerLog.php
index 0e606565cb..a91559ec57 100644
--- a/lib/Mailer/MailerLog.php
+++ b/lib/Mailer/MailerLog.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Mailer/MetaInfo.php b/lib/Mailer/MetaInfo.php
index 7329fc87a3..847910ed05 100644
--- a/lib/Mailer/MetaInfo.php
+++ b/lib/Mailer/MetaInfo.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer;
 
 use MailPoet\Models\Newsletter;
diff --git a/lib/Mailer/Methods/AmazonSES.php b/lib/Mailer/Methods/AmazonSES.php
index 6b60bd77cd..f8d57d0551 100644
--- a/lib/Mailer/Methods/AmazonSES.php
+++ b/lib/Mailer/Methods/AmazonSES.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods;
 
 use MailPoet\Mailer\Mailer;
diff --git a/lib/Mailer/Methods/Common/BlacklistCheck.php b/lib/Mailer/Methods/Common/BlacklistCheck.php
index 90258e8815..6bb22aa5b0 100644
--- a/lib/Mailer/Methods/Common/BlacklistCheck.php
+++ b/lib/Mailer/Methods/Common/BlacklistCheck.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\Common;
 
 use MailPoet\Subscription\Blacklist;
diff --git a/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php b/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php
index 265f7a6e67..15327787b3 100644
--- a/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php
+++ b/lib/Mailer/Methods/ErrorMappers/AmazonSESMapper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Mailer/Methods/ErrorMappers/BlacklistErrorMapperTrait.php b/lib/Mailer/Methods/ErrorMappers/BlacklistErrorMapperTrait.php
index de3feae348..af823c1625 100644
--- a/lib/Mailer/Methods/ErrorMappers/BlacklistErrorMapperTrait.php
+++ b/lib/Mailer/Methods/ErrorMappers/BlacklistErrorMapperTrait.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Mailer/Methods/ErrorMappers/ConnectionErrorMapperTrait.php b/lib/Mailer/Methods/ErrorMappers/ConnectionErrorMapperTrait.php
index f64f7b8005..649b9e8a7c 100644
--- a/lib/Mailer/Methods/ErrorMappers/ConnectionErrorMapperTrait.php
+++ b/lib/Mailer/Methods/ErrorMappers/ConnectionErrorMapperTrait.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Mailer/Methods/ErrorMappers/MailPoetMapper.php b/lib/Mailer/Methods/ErrorMappers/MailPoetMapper.php
index 4fef37c60b..8e88360e7a 100644
--- a/lib/Mailer/Methods/ErrorMappers/MailPoetMapper.php
+++ b/lib/Mailer/Methods/ErrorMappers/MailPoetMapper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Mailer/Methods/ErrorMappers/PHPMailMapper.php b/lib/Mailer/Methods/ErrorMappers/PHPMailMapper.php
index d7225c4986..2f380e2845 100644
--- a/lib/Mailer/Methods/ErrorMappers/PHPMailMapper.php
+++ b/lib/Mailer/Methods/ErrorMappers/PHPMailMapper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php b/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php
index 7f29c371e2..e750b2f3fe 100644
--- a/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php
+++ b/lib/Mailer/Methods/ErrorMappers/SMTPMapper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Mailer/Methods/ErrorMappers/SendGridMapper.php b/lib/Mailer/Methods/ErrorMappers/SendGridMapper.php
index 46fad2b804..b643dfd8fa 100644
--- a/lib/Mailer/Methods/ErrorMappers/SendGridMapper.php
+++ b/lib/Mailer/Methods/ErrorMappers/SendGridMapper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/lib/Mailer/Methods/MailPoet.php b/lib/Mailer/Methods/MailPoet.php
index 0676fc0af6..f3e1016e86 100644
--- a/lib/Mailer/Methods/MailPoet.php
+++ b/lib/Mailer/Methods/MailPoet.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods;
 
 use MailPoet\Mailer\Mailer;
diff --git a/lib/Mailer/Methods/SMTP.php b/lib/Mailer/Methods/SMTP.php
index ccedeac3c5..1c3a269591 100644
--- a/lib/Mailer/Methods/SMTP.php
+++ b/lib/Mailer/Methods/SMTP.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer\Methods;
 
 use MailPoet\Mailer\Mailer;
diff --git a/lib/Mailer/SubscriberError.php b/lib/Mailer/SubscriberError.php
index 9339e15222..02c112e78b 100644
--- a/lib/Mailer/SubscriberError.php
+++ b/lib/Mailer/SubscriberError.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Mailer;
 
 class SubscriberError {
diff --git a/lib/Models/CustomField.php b/lib/Models/CustomField.php
index 1433c92b9c..e2504c0275 100644
--- a/lib/Models/CustomField.php
+++ b/lib/Models/CustomField.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\Form\Block\Date;
diff --git a/lib/Models/Form.php b/lib/Models/Form.php
index 8e2f2cdfb6..80926a212b 100644
--- a/lib/Models/Form.php
+++ b/lib/Models/Form.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Models/MappingToExternalEntities.php b/lib/Models/MappingToExternalEntities.php
index 91d12aa27c..be7322458b 100644
--- a/lib/Models/MappingToExternalEntities.php
+++ b/lib/Models/MappingToExternalEntities.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 class MappingToExternalEntities extends Model {
diff --git a/lib/Models/Newsletter.php b/lib/Models/Newsletter.php
index 9a87b184ce..363b585ae3 100644
--- a/lib/Models/Newsletter.php
+++ b/lib/Models/Newsletter.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Models;
+
 use Carbon\Carbon;
 use MailPoet\Entities\NewsletterEntity;
 use MailPoet\Newsletter\Renderer\Renderer;
diff --git a/lib/Models/NewsletterLink.php b/lib/Models/NewsletterLink.php
index c2c4a7cd18..34d55b71b2 100644
--- a/lib/Models/NewsletterLink.php
+++ b/lib/Models/NewsletterLink.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 /**
diff --git a/lib/Models/NewsletterOption.php b/lib/Models/NewsletterOption.php
index bb71295ab3..e5f1d2ce17 100644
--- a/lib/Models/NewsletterOption.php
+++ b/lib/Models/NewsletterOption.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 /**
diff --git a/lib/Models/NewsletterOptionField.php b/lib/Models/NewsletterOptionField.php
index 2ded56be97..676b61a211 100644
--- a/lib/Models/NewsletterOptionField.php
+++ b/lib/Models/NewsletterOptionField.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Models;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class NewsletterOptionField extends Model {
diff --git a/lib/Models/NewsletterPost.php b/lib/Models/NewsletterPost.php
index c9a1ecbd1c..ba434930d8 100644
--- a/lib/Models/NewsletterPost.php
+++ b/lib/Models/NewsletterPost.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 /**
diff --git a/lib/Models/NewsletterSegment.php b/lib/Models/NewsletterSegment.php
index f3497fb4d7..1db6560741 100644
--- a/lib/Models/NewsletterSegment.php
+++ b/lib/Models/NewsletterSegment.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 /**
diff --git a/lib/Models/NewsletterTemplate.php b/lib/Models/NewsletterTemplate.php
index b25473decb..b3455f9d72 100644
--- a/lib/Models/NewsletterTemplate.php
+++ b/lib/Models/NewsletterTemplate.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Models;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 /**
diff --git a/lib/Models/ScheduledTaskSubscriber.php b/lib/Models/ScheduledTaskSubscriber.php
index b9932e4080..21b4f78c3b 100644
--- a/lib/Models/ScheduledTaskSubscriber.php
+++ b/lib/Models/ScheduledTaskSubscriber.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Models/Segment.php b/lib/Models/Segment.php
index 67e145e36f..5ccaa1d9df 100644
--- a/lib/Models/Segment.php
+++ b/lib/Models/Segment.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\Entities\NewsletterEntity;
diff --git a/lib/Models/SendingQueue.php b/lib/Models/SendingQueue.php
index 7ce96a1005..e1264dc76e 100644
--- a/lib/Models/SendingQueue.php
+++ b/lib/Models/SendingQueue.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\Entities\SendingQueueEntity;
diff --git a/lib/Models/Setting.php b/lib/Models/Setting.php
index 67d2c817b2..e143f7e4b4 100644
--- a/lib/Models/Setting.php
+++ b/lib/Models/Setting.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Models/StatisticsClicks.php b/lib/Models/StatisticsClicks.php
index 1222c71818..62dc5b66d2 100644
--- a/lib/Models/StatisticsClicks.php
+++ b/lib/Models/StatisticsClicks.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use DateTimeInterface;
diff --git a/lib/Models/StatisticsForms.php b/lib/Models/StatisticsForms.php
index f148a3f8f9..66cb1f3e19 100644
--- a/lib/Models/StatisticsForms.php
+++ b/lib/Models/StatisticsForms.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 class StatisticsForms extends Model {
diff --git a/lib/Models/StatisticsNewsletters.php b/lib/Models/StatisticsNewsletters.php
index fd09c0ee0f..e7dfb656d1 100644
--- a/lib/Models/StatisticsNewsletters.php
+++ b/lib/Models/StatisticsNewsletters.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 class StatisticsNewsletters extends Model {
diff --git a/lib/Models/StatisticsOpens.php b/lib/Models/StatisticsOpens.php
index 7628fefb0b..600cc25b0f 100644
--- a/lib/Models/StatisticsOpens.php
+++ b/lib/Models/StatisticsOpens.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 /**
diff --git a/lib/Models/StatisticsUnsubscribes.php b/lib/Models/StatisticsUnsubscribes.php
index fcdad20d92..57f3ac7069 100644
--- a/lib/Models/StatisticsUnsubscribes.php
+++ b/lib/Models/StatisticsUnsubscribes.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 /**
diff --git a/lib/Models/StatisticsWooCommercePurchases.php b/lib/Models/StatisticsWooCommercePurchases.php
index fbb49e897b..d983b0afa0 100644
--- a/lib/Models/StatisticsWooCommercePurchases.php
+++ b/lib/Models/StatisticsWooCommercePurchases.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use WC_Order;
diff --git a/lib/Models/Subscriber.php b/lib/Models/Subscriber.php
index 42f0fa8113..7de6f81d1f 100644
--- a/lib/Models/Subscriber.php
+++ b/lib/Models/Subscriber.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\DI\ContainerWrapper;
diff --git a/lib/Models/SubscriberCustomField.php b/lib/Models/SubscriberCustomField.php
index 8459fd3c1f..68ff2acb77 100644
--- a/lib/Models/SubscriberCustomField.php
+++ b/lib/Models/SubscriberCustomField.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 use MailPoet\Util\Helpers;
diff --git a/lib/Models/SubscriberIP.php b/lib/Models/SubscriberIP.php
index 6f063c487c..c71deba02b 100644
--- a/lib/Models/SubscriberIP.php
+++ b/lib/Models/SubscriberIP.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Models;
 
 /**
diff --git a/lib/Models/SubscriberSegment.php b/lib/Models/SubscriberSegment.php
index bf10c855d5..c2cb643b80 100644
--- a/lib/Models/SubscriberSegment.php
+++ b/lib/Models/SubscriberSegment.php
@@ -1,6 +1,6 @@
 <?php
-namespace MailPoet\Models;
 
+namespace MailPoet\Models;
 
 /**
  * @property int $id
diff --git a/lib/Newsletter/AutomatedLatestContent.php b/lib/Newsletter/AutomatedLatestContent.php
index 64270c0884..d37071bb0e 100644
--- a/lib/Newsletter/AutomatedLatestContent.php
+++ b/lib/Newsletter/AutomatedLatestContent.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter;
 
 use MailPoet\Logging\Logger;
diff --git a/lib/Newsletter/Editor/LayoutHelper.php b/lib/Newsletter/Editor/LayoutHelper.php
index daa0b8ec66..ef84020c46 100644
--- a/lib/Newsletter/Editor/LayoutHelper.php
+++ b/lib/Newsletter/Editor/LayoutHelper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Editor;
 
 class LayoutHelper {
diff --git a/lib/Newsletter/Editor/MetaInformationManager.php b/lib/Newsletter/Editor/MetaInformationManager.php
index 14a2f72ed0..689da92721 100644
--- a/lib/Newsletter/Editor/MetaInformationManager.php
+++ b/lib/Newsletter/Editor/MetaInformationManager.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Newsletter\Editor;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class MetaInformationManager {
diff --git a/lib/Newsletter/Editor/PostContentManager.php b/lib/Newsletter/Editor/PostContentManager.php
index d3200635c9..308283155e 100644
--- a/lib/Newsletter/Editor/PostContentManager.php
+++ b/lib/Newsletter/Editor/PostContentManager.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Newsletter\Editor;
+
 use MailPoet\WooCommerce\Helper as WooCommerceHelper;
 use MailPoet\WP\Functions as WPFunctions;
 
diff --git a/lib/Newsletter/Editor/PostListTransformer.php b/lib/Newsletter/Editor/PostListTransformer.php
index 5e9323cff7..326ba49cbb 100644
--- a/lib/Newsletter/Editor/PostListTransformer.php
+++ b/lib/Newsletter/Editor/PostListTransformer.php
@@ -1,6 +1,6 @@
 <?php
-namespace MailPoet\Newsletter\Editor;
 
+namespace MailPoet\Newsletter\Editor;
 
 class PostListTransformer {
 
diff --git a/lib/Newsletter/Editor/PostTransformer.php b/lib/Newsletter/Editor/PostTransformer.php
index 2c29b7c0b2..94d06dc473 100644
--- a/lib/Newsletter/Editor/PostTransformer.php
+++ b/lib/Newsletter/Editor/PostTransformer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Editor;
 
 use MailPoet\WooCommerce\Helper as WooCommerceHelper;
diff --git a/lib/Newsletter/Editor/StructureTransformer.php b/lib/Newsletter/Editor/StructureTransformer.php
index 57d549a4b0..06b69db628 100644
--- a/lib/Newsletter/Editor/StructureTransformer.php
+++ b/lib/Newsletter/Editor/StructureTransformer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Editor;
 
 use pQuery;
diff --git a/lib/Newsletter/Editor/TitleListTransformer.php b/lib/Newsletter/Editor/TitleListTransformer.php
index 842b7f61d4..2e8ebe3139 100644
--- a/lib/Newsletter/Editor/TitleListTransformer.php
+++ b/lib/Newsletter/Editor/TitleListTransformer.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Newsletter\Editor;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class TitleListTransformer {
diff --git a/lib/Newsletter/Editor/Transformer.php b/lib/Newsletter/Editor/Transformer.php
index 49ee4c7b30..e501e7dbdc 100644
--- a/lib/Newsletter/Editor/Transformer.php
+++ b/lib/Newsletter/Editor/Transformer.php
@@ -1,6 +1,6 @@
 <?php
-namespace MailPoet\Newsletter\Editor;
 
+namespace MailPoet\Newsletter\Editor;
 
 class Transformer {
 
diff --git a/lib/Newsletter/Links/Links.php b/lib/Newsletter/Links/Links.php
index f9a49d0771..b874f113e2 100644
--- a/lib/Newsletter/Links/Links.php
+++ b/lib/Newsletter/Links/Links.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Links;
 
 use MailPoet\Models\NewsletterLink;
diff --git a/lib/Newsletter/Renderer/Blocks/Button.php b/lib/Newsletter/Renderer/Blocks/Button.php
index 343bcb1868..e5eb048439 100644
--- a/lib/Newsletter/Renderer/Blocks/Button.php
+++ b/lib/Newsletter/Renderer/Blocks/Button.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\StylesHelper;
diff --git a/lib/Newsletter/Renderer/Blocks/Divider.php b/lib/Newsletter/Renderer/Blocks/Divider.php
index c05f89cefe..40ce71540c 100644
--- a/lib/Newsletter/Renderer/Blocks/Divider.php
+++ b/lib/Newsletter/Renderer/Blocks/Divider.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\StylesHelper;
diff --git a/lib/Newsletter/Renderer/Blocks/Footer.php b/lib/Newsletter/Renderer/Blocks/Footer.php
index 1a9923fd6c..0ef99511ce 100644
--- a/lib/Newsletter/Renderer/Blocks/Footer.php
+++ b/lib/Newsletter/Renderer/Blocks/Footer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\StylesHelper;
diff --git a/lib/Newsletter/Renderer/Blocks/Header.php b/lib/Newsletter/Renderer/Blocks/Header.php
index c332e72099..24515be523 100644
--- a/lib/Newsletter/Renderer/Blocks/Header.php
+++ b/lib/Newsletter/Renderer/Blocks/Header.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\StylesHelper;
diff --git a/lib/Newsletter/Renderer/Blocks/Image.php b/lib/Newsletter/Renderer/Blocks/Image.php
index 135124f050..092f386bd7 100644
--- a/lib/Newsletter/Renderer/Blocks/Image.php
+++ b/lib/Newsletter/Renderer/Blocks/Image.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\StylesHelper;
diff --git a/lib/Newsletter/Renderer/Blocks/Renderer.php b/lib/Newsletter/Renderer/Blocks/Renderer.php
index d70ab003c1..7a8984893c 100644
--- a/lib/Newsletter/Renderer/Blocks/Renderer.php
+++ b/lib/Newsletter/Renderer/Blocks/Renderer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Models\Newsletter;
diff --git a/lib/Newsletter/Renderer/Blocks/Social.php b/lib/Newsletter/Renderer/Blocks/Social.php
index 25e3f4310e..9951ef5730 100644
--- a/lib/Newsletter/Renderer/Blocks/Social.php
+++ b/lib/Newsletter/Renderer/Blocks/Social.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\EscapeHelper as EHelper;
diff --git a/lib/Newsletter/Renderer/Blocks/Spacer.php b/lib/Newsletter/Renderer/Blocks/Spacer.php
index 6fd491db98..61d9101502 100644
--- a/lib/Newsletter/Renderer/Blocks/Spacer.php
+++ b/lib/Newsletter/Renderer/Blocks/Spacer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Renderer\EscapeHelper as EHelper;
diff --git a/lib/Newsletter/Renderer/Blocks/Text.php b/lib/Newsletter/Renderer/Blocks/Text.php
index 2012677671..51f9140312 100644
--- a/lib/Newsletter/Renderer/Blocks/Text.php
+++ b/lib/Newsletter/Renderer/Blocks/Text.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Newsletter\Editor\PostContentManager;
diff --git a/lib/Newsletter/Renderer/Columns/ColumnsHelper.php b/lib/Newsletter/Renderer/Columns/ColumnsHelper.php
index 0d2d8f8ae2..50a6741749 100644
--- a/lib/Newsletter/Renderer/Columns/ColumnsHelper.php
+++ b/lib/Newsletter/Renderer/Columns/ColumnsHelper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Columns;
 
 class ColumnsHelper {
diff --git a/lib/Newsletter/Renderer/Columns/Renderer.php b/lib/Newsletter/Renderer/Columns/Renderer.php
index 46fbfb24b0..4f77361dbe 100644
--- a/lib/Newsletter/Renderer/Columns/Renderer.php
+++ b/lib/Newsletter/Renderer/Columns/Renderer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Columns;
 
 use MailPoet\Newsletter\Renderer\EscapeHelper as EHelper;
diff --git a/lib/Newsletter/Renderer/EscapeHelper.php b/lib/Newsletter/Renderer/EscapeHelper.php
index 41ce59c701..e0e35807b8 100644
--- a/lib/Newsletter/Renderer/EscapeHelper.php
+++ b/lib/Newsletter/Renderer/EscapeHelper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer;
 
 class EscapeHelper {
diff --git a/lib/Newsletter/Renderer/PostProcess/OpenTracking.php b/lib/Newsletter/Renderer/PostProcess/OpenTracking.php
index 394d3242c1..7acd52b187 100644
--- a/lib/Newsletter/Renderer/PostProcess/OpenTracking.php
+++ b/lib/Newsletter/Renderer/PostProcess/OpenTracking.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\PostProcess;
 
 use MailPoet\Newsletter\Links\Links;
diff --git a/lib/Newsletter/Renderer/Renderer.php b/lib/Newsletter/Renderer/Renderer.php
index 47c5f9cccb..1bb731312b 100644
--- a/lib/Newsletter/Renderer/Renderer.php
+++ b/lib/Newsletter/Renderer/Renderer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer;
 
 use MailPoet\Config\Env;
diff --git a/lib/Newsletter/Renderer/StylesHelper.php b/lib/Newsletter/Renderer/StylesHelper.php
index 5dc7150c9c..443b4dc1ad 100644
--- a/lib/Newsletter/Renderer/StylesHelper.php
+++ b/lib/Newsletter/Renderer/StylesHelper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer;
 
 class StylesHelper {
diff --git a/lib/Newsletter/Shortcodes/Categories/Date.php b/lib/Newsletter/Shortcodes/Categories/Date.php
index f4e0007df8..cf9d26ce46 100644
--- a/lib/Newsletter/Shortcodes/Categories/Date.php
+++ b/lib/Newsletter/Shortcodes/Categories/Date.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Newsletter\Shortcodes\Categories;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class Date {
diff --git a/lib/Newsletter/Shortcodes/Categories/Subscriber.php b/lib/Newsletter/Shortcodes/Categories/Subscriber.php
index ebe41b085d..242b4e4336 100644
--- a/lib/Newsletter/Shortcodes/Categories/Subscriber.php
+++ b/lib/Newsletter/Shortcodes/Categories/Subscriber.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Shortcodes\Categories;
 
 use MailPoet\Models\Subscriber as SubscriberModel;
diff --git a/lib/Newsletter/Shortcodes/Shortcodes.php b/lib/Newsletter/Shortcodes/Shortcodes.php
index 252c1396ed..cbaa33d5d4 100644
--- a/lib/Newsletter/Shortcodes/Shortcodes.php
+++ b/lib/Newsletter/Shortcodes/Shortcodes.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Newsletter\Shortcodes;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class Shortcodes {
diff --git a/lib/Newsletter/Url.php b/lib/Newsletter/Url.php
index 74ef97114b..e5481a629e 100644
--- a/lib/Newsletter/Url.php
+++ b/lib/Newsletter/Url.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter;
 
 use MailPoet\Router\Router;
diff --git a/lib/Newsletter/ViewInBrowser.php b/lib/Newsletter/ViewInBrowser.php
index 7f1b36014a..ba49cdb88d 100644
--- a/lib/Newsletter/ViewInBrowser.php
+++ b/lib/Newsletter/ViewInBrowser.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter;
 
 use MailPoet\Newsletter\Links\Links;
diff --git a/lib/Segments/WP.php b/lib/Segments/WP.php
index 3be387c203..9afacce197 100644
--- a/lib/Segments/WP.php
+++ b/lib/Segments/WP.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Segments;
 
 use MailPoet\Models\ModelValidator;
diff --git a/lib/Segments/WooCommerce.php b/lib/Segments/WooCommerce.php
index 58437723f7..1ce8341b9d 100644
--- a/lib/Segments/WooCommerce.php
+++ b/lib/Segments/WooCommerce.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Segments;
 
 use MailPoet\Config\Env;
diff --git a/lib/Services/Bridge/API.php b/lib/Services/Bridge/API.php
index 1b71b8fdca..31857c0bf2 100644
--- a/lib/Services/Bridge/API.php
+++ b/lib/Services/Bridge/API.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Services\Bridge;
+
 use MailPoet\WP\Functions as WPFunctions;
 use MailPoet\Logging\Logger;
 
diff --git a/lib/Services/Release/API.php b/lib/Services/Release/API.php
index 961d1f1c4c..de2d12fd98 100644
--- a/lib/Services/Release/API.php
+++ b/lib/Services/Release/API.php
@@ -1,6 +1,7 @@
 <?php
 
 namespace MailPoet\Services\Release;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class API {
diff --git a/lib/Settings/Charsets.php b/lib/Settings/Charsets.php
index b8439ac36f..087ce97b42 100644
--- a/lib/Settings/Charsets.php
+++ b/lib/Settings/Charsets.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Settings;
 
 class Charsets {
diff --git a/lib/Settings/Hosts.php b/lib/Settings/Hosts.php
index 956da44fe5..fc60957fca 100644
--- a/lib/Settings/Hosts.php
+++ b/lib/Settings/Hosts.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Settings;
 
 class Hosts {
diff --git a/lib/Settings/Pages.php b/lib/Settings/Pages.php
index b008cf5148..dda8c1d9dc 100644
--- a/lib/Settings/Pages.php
+++ b/lib/Settings/Pages.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Settings;
+
 use MailPoet\Subscription;
 use MailPoet\WP\Functions as WPFunctions;
 
diff --git a/lib/Settings/SettingsController.php b/lib/Settings/SettingsController.php
index 13e077141f..3c4a4ba734 100644
--- a/lib/Settings/SettingsController.php
+++ b/lib/Settings/SettingsController.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Settings;
 
 use MailPoet\Cron\CronTrigger;
diff --git a/lib/Settings/UserFlagsController.php b/lib/Settings/UserFlagsController.php
index a3159c6a7f..2a162bc5c4 100644
--- a/lib/Settings/UserFlagsController.php
+++ b/lib/Settings/UserFlagsController.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Settings;
 
 use MailPoet\Entities\UserFlagEntity;
diff --git a/lib/Statistics/Track/Clicks.php b/lib/Statistics/Track/Clicks.php
index e90675cb93..6802e8de6b 100644
--- a/lib/Statistics/Track/Clicks.php
+++ b/lib/Statistics/Track/Clicks.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Statistics\Track;
 
 use MailPoet\Models\StatisticsClicks;
diff --git a/lib/Statistics/Track/Opens.php b/lib/Statistics/Track/Opens.php
index 262c819650..37bfeabc95 100644
--- a/lib/Statistics/Track/Opens.php
+++ b/lib/Statistics/Track/Opens.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Statistics\Track;
 
 use MailPoet\Models\StatisticsOpens;
diff --git a/lib/Statistics/Track/Unsubscribes.php b/lib/Statistics/Track/Unsubscribes.php
index c0b0d6dcf5..ade6a704cb 100644
--- a/lib/Statistics/Track/Unsubscribes.php
+++ b/lib/Statistics/Track/Unsubscribes.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Statistics\Track;
 
 use MailPoet\Models\StatisticsUnsubscribes;
diff --git a/lib/Statistics/Track/WooCommercePurchases.php b/lib/Statistics/Track/WooCommercePurchases.php
index e663d329be..656909370f 100644
--- a/lib/Statistics/Track/WooCommercePurchases.php
+++ b/lib/Statistics/Track/WooCommercePurchases.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Statistics\Track;
 
 use MailPoet\Models\StatisticsClicks;
diff --git a/lib/Subscribers/ImportExport/Import/Import.php b/lib/Subscribers/ImportExport/Import/Import.php
index 7286d9d27a..2c0be2837a 100644
--- a/lib/Subscribers/ImportExport/Import/Import.php
+++ b/lib/Subscribers/ImportExport/Import/Import.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers\ImportExport\Import;
 
 use MailPoet\Form\Block\Date;
diff --git a/lib/Subscribers/ImportExport/Import/MailChimp.php b/lib/Subscribers/ImportExport/Import/MailChimp.php
index c3a3d6585b..f13d37989b 100644
--- a/lib/Subscribers/ImportExport/Import/MailChimp.php
+++ b/lib/Subscribers/ImportExport/Import/MailChimp.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers\ImportExport\Import;
 
 use MailPoet\Util\Helpers;
diff --git a/lib/Subscribers/ImportExport/ImportExportFactory.php b/lib/Subscribers/ImportExport/ImportExportFactory.php
index e3ceddb9d1..114de79c66 100644
--- a/lib/Subscribers/ImportExport/ImportExportFactory.php
+++ b/lib/Subscribers/ImportExport/ImportExportFactory.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers\ImportExport;
 
 use MailPoet\Models\CustomField;
diff --git a/lib/Subscribers/ImportExport/PersonalDataExporters/NewsletterClicksExporter.php b/lib/Subscribers/ImportExport/PersonalDataExporters/NewsletterClicksExporter.php
index 866576ae44..4dd58dd7ab 100644
--- a/lib/Subscribers/ImportExport/PersonalDataExporters/NewsletterClicksExporter.php
+++ b/lib/Subscribers/ImportExport/PersonalDataExporters/NewsletterClicksExporter.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers\ImportExport\PersonalDataExporters;
 
 use MailPoet\Models\StatisticsClicks;
diff --git a/lib/Subscribers/ImportExport/PersonalDataExporters/NewslettersExporter.php b/lib/Subscribers/ImportExport/PersonalDataExporters/NewslettersExporter.php
index 613f13fd96..6de0798040 100644
--- a/lib/Subscribers/ImportExport/PersonalDataExporters/NewslettersExporter.php
+++ b/lib/Subscribers/ImportExport/PersonalDataExporters/NewslettersExporter.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers\ImportExport\PersonalDataExporters;
 
 use MailPoet\Models\Newsletter;
diff --git a/lib/Subscribers/ImportExport/PersonalDataExporters/SegmentsExporter.php b/lib/Subscribers/ImportExport/PersonalDataExporters/SegmentsExporter.php
index 53b68a7ab6..4dfcc70499 100644
--- a/lib/Subscribers/ImportExport/PersonalDataExporters/SegmentsExporter.php
+++ b/lib/Subscribers/ImportExport/PersonalDataExporters/SegmentsExporter.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers\ImportExport\PersonalDataExporters;
 
 use MailPoet\Models\Subscriber;
diff --git a/lib/Subscribers/ImportExport/PersonalDataExporters/SubscriberExporter.php b/lib/Subscribers/ImportExport/PersonalDataExporters/SubscriberExporter.php
index ecbd4ca0ea..2125a926fa 100644
--- a/lib/Subscribers/ImportExport/PersonalDataExporters/SubscriberExporter.php
+++ b/lib/Subscribers/ImportExport/PersonalDataExporters/SubscriberExporter.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers\ImportExport\PersonalDataExporters;
 
 use MailPoet\Models\CustomField;
diff --git a/lib/Subscribers/NewSubscriberNotificationMailer.php b/lib/Subscribers/NewSubscriberNotificationMailer.php
index 0293954208..ff08c580e1 100644
--- a/lib/Subscribers/NewSubscriberNotificationMailer.php
+++ b/lib/Subscribers/NewSubscriberNotificationMailer.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers;
 
 use MailPoet\Config\Renderer;
diff --git a/lib/Subscribers/RequiredCustomFieldValidator.php b/lib/Subscribers/RequiredCustomFieldValidator.php
index 5d83e91631..c029026ebd 100644
--- a/lib/Subscribers/RequiredCustomFieldValidator.php
+++ b/lib/Subscribers/RequiredCustomFieldValidator.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscribers;
 
 use Exception;
diff --git a/lib/Subscription/Blacklist.php b/lib/Subscription/Blacklist.php
index ce7fe8bd01..a71ed17fc0 100644
--- a/lib/Subscription/Blacklist.php
+++ b/lib/Subscription/Blacklist.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscription;
 
 class Blacklist {
diff --git a/lib/Subscription/Comment.php b/lib/Subscription/Comment.php
index 857d290a8a..7949490ec7 100644
--- a/lib/Subscription/Comment.php
+++ b/lib/Subscription/Comment.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscription;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Subscription/Registration.php b/lib/Subscription/Registration.php
index 77b557440d..8ff778eff1 100644
--- a/lib/Subscription/Registration.php
+++ b/lib/Subscription/Registration.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Subscription;
+
 use MailPoet\Settings\SettingsController;
 use MailPoet\Subscribers\SubscriberActions;
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Subscription/SubscriptionUrlFactory.php b/lib/Subscription/SubscriptionUrlFactory.php
index 2c3aba93fc..ed768aadd5 100644
--- a/lib/Subscription/SubscriptionUrlFactory.php
+++ b/lib/Subscription/SubscriptionUrlFactory.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscription;
 
 use MailPoet\Router\Router;
diff --git a/lib/Subscription/Throttling.php b/lib/Subscription/Throttling.php
index b68242ebfc..8f9d6675da 100644
--- a/lib/Subscription/Throttling.php
+++ b/lib/Subscription/Throttling.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscription;
 
 use MailPoet\Models\SubscriberIP;
diff --git a/lib/Tasks/Bounce.php b/lib/Tasks/Bounce.php
index c2eec66cdc..1306cc7feb 100644
--- a/lib/Tasks/Bounce.php
+++ b/lib/Tasks/Bounce.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Tasks;
 
 use MailPoet\Models\ScheduledTask;
diff --git a/lib/Tasks/Subscribers.php b/lib/Tasks/Subscribers.php
index dd6b482024..fe7f8c6f1d 100644
--- a/lib/Tasks/Subscribers.php
+++ b/lib/Tasks/Subscribers.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Tasks;
 
 use MailPoet\Models\ScheduledTask;
diff --git a/lib/Tasks/Subscribers/BatchIterator.php b/lib/Tasks/Subscribers/BatchIterator.php
index 7a54634820..4ef53a559e 100644
--- a/lib/Tasks/Subscribers/BatchIterator.php
+++ b/lib/Tasks/Subscribers/BatchIterator.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Tasks\Subscribers;
 
 use MailPoet\Models\ScheduledTaskSubscriber;
diff --git a/lib/Twig/Assets.php b/lib/Twig/Assets.php
index 2cead920ad..b82bbfa45a 100644
--- a/lib/Twig/Assets.php
+++ b/lib/Twig/Assets.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Twig;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Util/ConflictResolver.php b/lib/Util/ConflictResolver.php
index 3454d1e95f..c370c3a6bb 100644
--- a/lib/Util/ConflictResolver.php
+++ b/lib/Util/ConflictResolver.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Util/DOM.php b/lib/Util/DOM.php
index 7d7161254d..9fabb6d975 100644
--- a/lib/Util/DOM.php
+++ b/lib/Util/DOM.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\Util;
+
 use pQuery\DomNode;
 
 class DOM {
diff --git a/lib/Util/FreeDomains.php b/lib/Util/FreeDomains.php
index 4ed50d1c3b..8768646606 100644
--- a/lib/Util/FreeDomains.php
+++ b/lib/Util/FreeDomains.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util;
 
 class FreeDomains {
diff --git a/lib/Util/Helpers.php b/lib/Util/Helpers.php
index e35d74443e..a4d9c0cd12 100644
--- a/lib/Util/Helpers.php
+++ b/lib/Util/Helpers.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util;
 
 class Helpers {
diff --git a/lib/Util/Installation.php b/lib/Util/Installation.php
index 4511f18aef..49baae8577 100644
--- a/lib/Util/Installation.php
+++ b/lib/Util/Installation.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util;
 
 use Carbon\Carbon;
diff --git a/lib/Util/License/Features/Subscribers.php b/lib/Util/License/Features/Subscribers.php
index 6f479cf3ec..f96055e938 100644
--- a/lib/Util/License/Features/Subscribers.php
+++ b/lib/Util/License/Features/Subscribers.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util\License\Features;
 
 use MailPoet\Models\Subscriber as SubscriberModel;
diff --git a/lib/Util/License/License.php b/lib/Util/License/License.php
index 2ab7cd11ed..da7b7a6773 100644
--- a/lib/Util/License/License.php
+++ b/lib/Util/License/License.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util\License;
 
 class License {
diff --git a/lib/Util/Notices/DiscountsAnnouncement.php b/lib/Util/Notices/DiscountsAnnouncement.php
index 91f5868863..9a21650edf 100644
--- a/lib/Util/Notices/DiscountsAnnouncement.php
+++ b/lib/Util/Notices/DiscountsAnnouncement.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util\Notices;
 
 use MailPoet\Settings\SettingsController;
diff --git a/lib/Util/Security.php b/lib/Util/Security.php
index 50a6f2dd6c..3021d4a1cb 100644
--- a/lib/Util/Security.php
+++ b/lib/Util/Security.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/Util/Url.php b/lib/Util/Url.php
index 3b08c3bcc6..e3ba379770 100644
--- a/lib/Util/Url.php
+++ b/lib/Util/Url.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Util;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/WP/DateTime.php b/lib/WP/DateTime.php
index 600f63a9db..90046c4601 100644
--- a/lib/WP/DateTime.php
+++ b/lib/WP/DateTime.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WP;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/WP/Emoji.php b/lib/WP/Emoji.php
index 2844f93b94..40d1c497e2 100644
--- a/lib/WP/Emoji.php
+++ b/lib/WP/Emoji.php
@@ -1,5 +1,7 @@
 <?php
+
 namespace MailPoet\WP;
+
 use MailPoet\WP\Functions as WPFunctions;
 
 class Emoji {
diff --git a/lib/WP/Functions.php b/lib/WP/Functions.php
index 5f91bcf553..d9ec733ae8 100644
--- a/lib/WP/Functions.php
+++ b/lib/WP/Functions.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WP;
 
 use WP_Error;
diff --git a/lib/WP/Notice.php b/lib/WP/Notice.php
index 0ab9de610a..97c68ea688 100644
--- a/lib/WP/Notice.php
+++ b/lib/WP/Notice.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WP;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/WP/Posts.php b/lib/WP/Posts.php
index 7a77ce7e48..cc34c1c932 100644
--- a/lib/WP/Posts.php
+++ b/lib/WP/Posts.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WP;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/lib/WP/Readme.php b/lib/WP/Readme.php
index 5a7e79c9a8..34ca67e6c6 100644
--- a/lib/WP/Readme.php
+++ b/lib/WP/Readme.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WP;
 
 class Readme {
diff --git a/lib/WooCommerce/Helper.php b/lib/WooCommerce/Helper.php
index 1961e36851..3ed8ad678a 100644
--- a/lib/WooCommerce/Helper.php
+++ b/lib/WooCommerce/Helper.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WooCommerce;
 
 class Helper {
diff --git a/lib/WooCommerce/Subscription.php b/lib/WooCommerce/Subscription.php
index ef7d11f0a6..4447956dc0 100644
--- a/lib/WooCommerce/Subscription.php
+++ b/lib/WooCommerce/Subscription.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WooCommerce;
 
 use MailPoet\Models\Segment;
diff --git a/tests/DataFactories/Newsletter.php b/tests/DataFactories/Newsletter.php
index 624c021c7a..9e9a07d5b0 100644
--- a/tests/DataFactories/Newsletter.php
+++ b/tests/DataFactories/Newsletter.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\DataFactories;
 
 use Carbon\Carbon;
diff --git a/tests/acceptance/ScheduleNewsletterCest.php b/tests/acceptance/ScheduleNewsletterCest.php
index 68ff2d1e45..701c1fb27e 100644
--- a/tests/acceptance/ScheduleNewsletterCest.php
+++ b/tests/acceptance/ScheduleNewsletterCest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Acceptance;
 
 use MailPoet\Test\DataFactories\Newsletter;
diff --git a/tests/integration/API/APITest.php b/tests/integration/API/APITest.php
index ef2174fd96..3982fb9b09 100644
--- a/tests/integration/API/APITest.php
+++ b/tests/integration/API/APITest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API;
 
 use MailPoet\API\API;
diff --git a/tests/integration/API/JSON/v1/CustomFieldsTest.php b/tests/integration/API/JSON/v1/CustomFieldsTest.php
index 6c38e7564f..0a5e08665f 100644
--- a/tests/integration/API/JSON/v1/CustomFieldsTest.php
+++ b/tests/integration/API/JSON/v1/CustomFieldsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use MailPoet\API\JSON\v1\CustomFields;
diff --git a/tests/integration/API/JSON/v1/FeatureFlagsTest.php b/tests/integration/API/JSON/v1/FeatureFlagsTest.php
index 121335d533..ee1eb11ecc 100644
--- a/tests/integration/API/JSON/v1/FeatureFlagsTest.php
+++ b/tests/integration/API/JSON/v1/FeatureFlagsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use Codeception\Stub;
diff --git a/tests/integration/API/JSON/v1/FormsTest.php b/tests/integration/API/JSON/v1/FormsTest.php
index 5335f797e2..45fa5c2f7b 100644
--- a/tests/integration/API/JSON/v1/FormsTest.php
+++ b/tests/integration/API/JSON/v1/FormsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use MailPoet\API\JSON\v1\Forms;
diff --git a/tests/integration/API/JSON/v1/ImportExportTest.php b/tests/integration/API/JSON/v1/ImportExportTest.php
index 595cf69190..f2275736bc 100644
--- a/tests/integration/API/JSON/v1/ImportExportTest.php
+++ b/tests/integration/API/JSON/v1/ImportExportTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use Carbon\Carbon;
diff --git a/tests/integration/API/JSON/v1/MailerTest.php b/tests/integration/API/JSON/v1/MailerTest.php
index 62c64d7c2a..ab5c330edf 100644
--- a/tests/integration/API/JSON/v1/MailerTest.php
+++ b/tests/integration/API/JSON/v1/MailerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use Codeception\Stub\Expected;
diff --git a/tests/integration/API/JSON/v1/NewsletterTemplatesTest.php b/tests/integration/API/JSON/v1/NewsletterTemplatesTest.php
index f0cec6aa3d..0513189eb9 100644
--- a/tests/integration/API/JSON/v1/NewsletterTemplatesTest.php
+++ b/tests/integration/API/JSON/v1/NewsletterTemplatesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use MailPoet\API\JSON\Response as APIResponse;
diff --git a/tests/integration/API/JSON/v1/SegmentsTest.php b/tests/integration/API/JSON/v1/SegmentsTest.php
index 27e6923050..b83abb743f 100644
--- a/tests/integration/API/JSON/v1/SegmentsTest.php
+++ b/tests/integration/API/JSON/v1/SegmentsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use MailPoet\API\JSON\v1\Segments;
diff --git a/tests/integration/API/JSON/v1/ServicesTest.php b/tests/integration/API/JSON/v1/ServicesTest.php
index 5c8250f2e5..6a7521a764 100644
--- a/tests/integration/API/JSON/v1/ServicesTest.php
+++ b/tests/integration/API/JSON/v1/ServicesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use Codeception\Stub;
diff --git a/tests/integration/API/JSON/v1/SettingsTest.php b/tests/integration/API/JSON/v1/SettingsTest.php
index a6cd069814..2a1c70410d 100644
--- a/tests/integration/API/JSON/v1/SettingsTest.php
+++ b/tests/integration/API/JSON/v1/SettingsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use Carbon\Carbon;
diff --git a/tests/integration/API/JSON/v1/SetupTest.php b/tests/integration/API/JSON/v1/SetupTest.php
index 033cfafe38..57928c397d 100644
--- a/tests/integration/API/JSON/v1/SetupTest.php
+++ b/tests/integration/API/JSON/v1/SetupTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use Codeception\Stub;
diff --git a/tests/integration/API/JSON/v1/SubscribersTest.php b/tests/integration/API/JSON/v1/SubscribersTest.php
index e30996522f..2a674430dc 100644
--- a/tests/integration/API/JSON/v1/SubscribersTest.php
+++ b/tests/integration/API/JSON/v1/SubscribersTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Config/CapabilitiesTest.php b/tests/integration/Config/CapabilitiesTest.php
index 57b995267e..7ff84e0dea 100644
--- a/tests/integration/Config/CapabilitiesTest.php
+++ b/tests/integration/Config/CapabilitiesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use Codeception\Stub;
diff --git a/tests/integration/Config/EnvTest.php b/tests/integration/Config/EnvTest.php
index f97482b180..288c2a026c 100644
--- a/tests/integration/Config/EnvTest.php
+++ b/tests/integration/Config/EnvTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use MailPoet\Config\Env;
diff --git a/tests/integration/Config/HooksTest.php b/tests/integration/Config/HooksTest.php
index 8414a45589..a55d54843f 100644
--- a/tests/integration/Config/HooksTest.php
+++ b/tests/integration/Config/HooksTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use MailPoet\Config\Hooks;
diff --git a/tests/integration/Config/InitializerTest.php b/tests/integration/Config/InitializerTest.php
index 491cf8426a..758b97e6f0 100644
--- a/tests/integration/Config/InitializerTest.php
+++ b/tests/integration/Config/InitializerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 class InitializerTest extends \MailPoetTest {
diff --git a/tests/integration/Config/InstallerTest.php b/tests/integration/Config/InstallerTest.php
index 16c3b6365f..c42ab026ce 100644
--- a/tests/integration/Config/InstallerTest.php
+++ b/tests/integration/Config/InstallerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use Codeception\Stub;
diff --git a/tests/integration/Config/MP2MigratorTest.php b/tests/integration/Config/MP2MigratorTest.php
index 7be7cb3511..697a748e2e 100644
--- a/tests/integration/Config/MP2MigratorTest.php
+++ b/tests/integration/Config/MP2MigratorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use MailPoet\Config\Activator;
diff --git a/tests/integration/Config/MigratorTest.php b/tests/integration/Config/MigratorTest.php
index 4ca096ce8e..563f3a0f75 100644
--- a/tests/integration/Config/MigratorTest.php
+++ b/tests/integration/Config/MigratorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use MailPoet\Config\Migrator;
diff --git a/tests/integration/Config/RendererTest.php b/tests/integration/Config/RendererTest.php
index d1cb8fb008..45462cfa88 100644
--- a/tests/integration/Config/RendererTest.php
+++ b/tests/integration/Config/RendererTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use Codeception\Stub;
diff --git a/tests/integration/Config/ServicesCheckerTest.php b/tests/integration/Config/ServicesCheckerTest.php
index 4f5c9c7cc1..49d5ab0bca 100644
--- a/tests/integration/Config/ServicesCheckerTest.php
+++ b/tests/integration/Config/ServicesCheckerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use MailPoet\Config\ServicesChecker;
diff --git a/tests/integration/Config/ShortcodesTest.php b/tests/integration/Config/ShortcodesTest.php
index 94b1958848..846fb6c33b 100644
--- a/tests/integration/Config/ShortcodesTest.php
+++ b/tests/integration/Config/ShortcodesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use Codeception\Util\Fixtures;
diff --git a/tests/integration/Config/UpdaterTest.php b/tests/integration/Config/UpdaterTest.php
index c60e6aaa2f..ec9614912c 100644
--- a/tests/integration/Config/UpdaterTest.php
+++ b/tests/integration/Config/UpdaterTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Config;
 
 use Codeception\Stub;
diff --git a/tests/integration/Cron/CronTriggerTest.php b/tests/integration/Cron/CronTriggerTest.php
index 0d34f80bce..2c50b448b5 100644
--- a/tests/integration/Cron/CronTriggerTest.php
+++ b/tests/integration/Cron/CronTriggerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron;
 
 use Codeception\Stub;
diff --git a/tests/integration/Cron/DaemonHttpRunnerTest.php b/tests/integration/Cron/DaemonHttpRunnerTest.php
index 32ae2efea9..7fe67269cf 100644
--- a/tests/integration/Cron/DaemonHttpRunnerTest.php
+++ b/tests/integration/Cron/DaemonHttpRunnerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron;
 
 use Codeception\Stub\Expected;
diff --git a/tests/integration/Cron/DaemonTest.php b/tests/integration/Cron/DaemonTest.php
index 70df52a454..aa6e8a10a7 100644
--- a/tests/integration/Cron/DaemonTest.php
+++ b/tests/integration/Cron/DaemonTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron;
 
 use Codeception\Stub\Expected;
diff --git a/tests/integration/Cron/SupervisorTest.php b/tests/integration/Cron/SupervisorTest.php
index 9472abba98..b4e19dbd77 100644
--- a/tests/integration/Cron/SupervisorTest.php
+++ b/tests/integration/Cron/SupervisorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron;
 
 use MailPoet\Cron\CronHelper;
diff --git a/tests/integration/Cron/Triggers/MailPoetTest.php b/tests/integration/Cron/Triggers/MailPoetTest.php
index b6b177dd18..96e6f1d613 100644
--- a/tests/integration/Cron/Triggers/MailPoetTest.php
+++ b/tests/integration/Cron/Triggers/MailPoetTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Triggers;
 
 use MailPoet\API\JSON\Endpoints\Cron;
diff --git a/tests/integration/Cron/Triggers/WordPressTest.php b/tests/integration/Cron/Triggers/WordPressTest.php
index 70b5108a22..a0517acd39 100644
--- a/tests/integration/Cron/Triggers/WordPressTest.php
+++ b/tests/integration/Cron/Triggers/WordPressTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Triggers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/AuthorizedSendingEmailsCheckTest.php b/tests/integration/Cron/Workers/AuthorizedSendingEmailsCheckTest.php
index 5f6c34fd10..97f99e027f 100644
--- a/tests/integration/Cron/Workers/AuthorizedSendingEmailsCheckTest.php
+++ b/tests/integration/Cron/Workers/AuthorizedSendingEmailsCheckTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Codeception\Stub;
diff --git a/tests/integration/Cron/Workers/BeamerTest.php b/tests/integration/Cron/Workers/BeamerTest.php
index 2111812b21..6a10625169 100644
--- a/tests/integration/Cron/Workers/BeamerTest.php
+++ b/tests/integration/Cron/Workers/BeamerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/BounceTest.php b/tests/integration/Cron/Workers/BounceTest.php
index 64af4bc8d1..6789645ae7 100644
--- a/tests/integration/Cron/Workers/BounceTest.php
+++ b/tests/integration/Cron/Workers/BounceTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/BounceTestMockAPI.php b/tests/integration/Cron/Workers/BounceTestMockAPI.php
index 5c134b045a..919f57f137 100644
--- a/tests/integration/Cron/Workers/BounceTestMockAPI.php
+++ b/tests/integration/Cron/Workers/BounceTestMockAPI.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\Bounce;
 
 class BounceTestMockAPI {
diff --git a/tests/integration/Cron/Workers/ExportFilesCleanupTest.php b/tests/integration/Cron/Workers/ExportFilesCleanupTest.php
index 6173fd3605..46027d22db 100644
--- a/tests/integration/Cron/Workers/ExportFilesCleanupTest.php
+++ b/tests/integration/Cron/Workers/ExportFilesCleanupTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use MailPoet\Cron\Workers\ExportFilesCleanup;
diff --git a/tests/integration/Cron/Workers/InactiveSubscribersTest.php b/tests/integration/Cron/Workers/InactiveSubscribersTest.php
index 4318bf3ebe..c4387d6bef 100644
--- a/tests/integration/Cron/Workers/InactiveSubscribersTest.php
+++ b/tests/integration/Cron/Workers/InactiveSubscribersTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerMockImplementation.php b/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerMockImplementation.php
index a52a4466bf..298b6443f0 100644
--- a/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerMockImplementation.php
+++ b/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerMockImplementation.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers\KeyCheck;
 
 class KeyCheckWorkerMockImplementation extends KeyCheckWorker {
diff --git a/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerTest.php b/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerTest.php
index 8d3bba2806..0e6554ced5 100644
--- a/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerTest.php
+++ b/tests/integration/Cron/Workers/KeyCheck/KeyCheckWorkerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers\KeyCheck;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/KeyCheck/PremiumKeyCheckTest.php b/tests/integration/Cron/Workers/KeyCheck/PremiumKeyCheckTest.php
index c5b04c4414..d93fa75cbb 100644
--- a/tests/integration/Cron/Workers/KeyCheck/PremiumKeyCheckTest.php
+++ b/tests/integration/Cron/Workers/KeyCheck/PremiumKeyCheckTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers\KeyCheck;
 
 use Codeception\Util\Stub;
diff --git a/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php b/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php
index de22967b1e..b74d5540de 100644
--- a/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php
+++ b/tests/integration/Cron/Workers/KeyCheck/SendingServiceKeyCheckTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers\KeyCheck;
 
 use Codeception\Stub;
diff --git a/tests/integration/Cron/Workers/SchedulerTest.php b/tests/integration/Cron/Workers/SchedulerTest.php
index 0eb13ce095..ef0d457b38 100644
--- a/tests/integration/Cron/Workers/SchedulerTest.php
+++ b/tests/integration/Cron/Workers/SchedulerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/SendingQueue/MigrationTest.php b/tests/integration/Cron/Workers/SendingQueue/MigrationTest.php
index e57dd627ce..7a68228049 100644
--- a/tests/integration/Cron/Workers/SendingQueue/MigrationTest.php
+++ b/tests/integration/Cron/Workers/SendingQueue/MigrationTest.php
@@ -1,6 +1,6 @@
 <?php
-namespace MailPoet\Test\Cron\Workers;
 
+namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
 use Codeception\Stub;
diff --git a/tests/integration/Cron/Workers/SendingQueue/SendingErrorHandlerTest.php b/tests/integration/Cron/Workers/SendingQueue/SendingErrorHandlerTest.php
index 053e2374d7..76232abe93 100644
--- a/tests/integration/Cron/Workers/SendingQueue/SendingErrorHandlerTest.php
+++ b/tests/integration/Cron/Workers/SendingQueue/SendingErrorHandlerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Codeception\Stub;
diff --git a/tests/integration/Cron/Workers/SendingQueue/Tasks/LinksTest.php b/tests/integration/Cron/Workers/SendingQueue/Tasks/LinksTest.php
index 30c043d86b..8d40fa8e0f 100644
--- a/tests/integration/Cron/Workers/SendingQueue/Tasks/LinksTest.php
+++ b/tests/integration/Cron/Workers/SendingQueue/Tasks/LinksTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers\SendingQueue\Tasks;
 
 use MailPoet\Cron\Workers\SendingQueue\Tasks\Links;
diff --git a/tests/integration/Cron/Workers/SendingQueue/Tasks/MailerTest.php b/tests/integration/Cron/Workers/SendingQueue/Tasks/MailerTest.php
index 5e775c042f..6743ed13c6 100644
--- a/tests/integration/Cron/Workers/SendingQueue/Tasks/MailerTest.php
+++ b/tests/integration/Cron/Workers/SendingQueue/Tasks/MailerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers\SendingQueue\Tasks;
 
 use Codeception\Stub;
diff --git a/tests/integration/Cron/Workers/SendingQueue/Tasks/NewsletterTest.php b/tests/integration/Cron/Workers/SendingQueue/Tasks/NewsletterTest.php
index 4607256943..58f40d96e8 100644
--- a/tests/integration/Cron/Workers/SendingQueue/Tasks/NewsletterTest.php
+++ b/tests/integration/Cron/Workers/SendingQueue/Tasks/NewsletterTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers\SendingQueue\Tasks;
 
 use Codeception\Stub;
diff --git a/tests/integration/Cron/Workers/SendingQueue/Tasks/PostsTest.php b/tests/integration/Cron/Workers/SendingQueue/Tasks/PostsTest.php
index f714344a1b..2a5b2df3a1 100644
--- a/tests/integration/Cron/Workers/SendingQueue/Tasks/PostsTest.php
+++ b/tests/integration/Cron/Workers/SendingQueue/Tasks/PostsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers\SendingQueue\Tasks;
 
 use MailPoet\Cron\Workers\SendingQueue\Tasks\Posts as PostsTask;
diff --git a/tests/integration/Cron/Workers/SimpleWorkerMockImplementation.php b/tests/integration/Cron/Workers/SimpleWorkerMockImplementation.php
index 14f5d47b9c..13510ef954 100644
--- a/tests/integration/Cron/Workers/SimpleWorkerMockImplementation.php
+++ b/tests/integration/Cron/Workers/SimpleWorkerMockImplementation.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Cron\Workers;
 
 class SimpleWorkerMockImplementation extends SimpleWorker {
diff --git a/tests/integration/Cron/Workers/SimpleWorkerTest.php b/tests/integration/Cron/Workers/SimpleWorkerTest.php
index 04cc1de9b2..72eeac9851 100644
--- a/tests/integration/Cron/Workers/SimpleWorkerTest.php
+++ b/tests/integration/Cron/Workers/SimpleWorkerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/UnsubscribeTokensTest.php b/tests/integration/Cron/Workers/UnsubscribeTokensTest.php
index 20fc747160..f7fdffe87e 100644
--- a/tests/integration/Cron/Workers/UnsubscribeTokensTest.php
+++ b/tests/integration/Cron/Workers/UnsubscribeTokensTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Cron/Workers/WooCommerceSyncTest.php b/tests/integration/Cron/Workers/WooCommerceSyncTest.php
index e2b34a7fa9..0b75910ecb 100644
--- a/tests/integration/Cron/Workers/WooCommerceSyncTest.php
+++ b/tests/integration/Cron/Workers/WooCommerceSyncTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Cron\Workers;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Form/Block/SelectTest.php b/tests/integration/Form/Block/SelectTest.php
index 140434cbb6..88b799dd35 100644
--- a/tests/integration/Form/Block/SelectTest.php
+++ b/tests/integration/Form/Block/SelectTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Form\Block;
 
 use MailPoet\Form\Block\Select;
diff --git a/tests/integration/Helpscout/BeaconTest.php b/tests/integration/Helpscout/BeaconTest.php
index 85a441c83b..5c9bbb0f18 100644
--- a/tests/integration/Helpscout/BeaconTest.php
+++ b/tests/integration/Helpscout/BeaconTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Helpscout;
 
 use MailPoet\Helpscout\Beacon;
diff --git a/tests/integration/Mailer/MailerLogTest.php b/tests/integration/Mailer/MailerLogTest.php
index 356a4a6403..074762e576 100644
--- a/tests/integration/Mailer/MailerLogTest.php
+++ b/tests/integration/Mailer/MailerLogTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer;
 
 use MailPoet\Mailer\Mailer;
diff --git a/tests/integration/Mailer/MailerTest.php b/tests/integration/Mailer/MailerTest.php
index a3ccb2189b..7a4c693fc5 100644
--- a/tests/integration/Mailer/MailerTest.php
+++ b/tests/integration/Mailer/MailerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer;
 
 use MailPoet\Mailer\Mailer;
diff --git a/tests/integration/Mailer/MetaInfoTest.php b/tests/integration/Mailer/MetaInfoTest.php
index 9d7905419e..713a93a1d8 100644
--- a/tests/integration/Mailer/MetaInfoTest.php
+++ b/tests/integration/Mailer/MetaInfoTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer;
 
 use Codeception\Stub;
diff --git a/tests/integration/Mailer/Methods/AmazonSESTest.php b/tests/integration/Mailer/Methods/AmazonSESTest.php
index f336cf8b25..2326d39c73 100644
--- a/tests/integration/Mailer/Methods/AmazonSESTest.php
+++ b/tests/integration/Mailer/Methods/AmazonSESTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods;
 
 use Codeception\Stub;
diff --git a/tests/integration/Mailer/Methods/MailPoetAPITest.php b/tests/integration/Mailer/Methods/MailPoetAPITest.php
index 592d254256..1c7c6f5eed 100644
--- a/tests/integration/Mailer/Methods/MailPoetAPITest.php
+++ b/tests/integration/Mailer/Methods/MailPoetAPITest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods;
 
 use Codeception\Stub\Expected;
diff --git a/tests/integration/Mailer/Methods/PHPMailTest.php b/tests/integration/Mailer/Methods/PHPMailTest.php
index cc589b7d0a..7a9674a7a7 100644
--- a/tests/integration/Mailer/Methods/PHPMailTest.php
+++ b/tests/integration/Mailer/Methods/PHPMailTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods;
 
 use Codeception\Stub;
diff --git a/tests/integration/Mailer/Methods/SMTPTest.php b/tests/integration/Mailer/Methods/SMTPTest.php
index 2ef89487a6..cc02156514 100644
--- a/tests/integration/Mailer/Methods/SMTPTest.php
+++ b/tests/integration/Mailer/Methods/SMTPTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods;
 
 use Codeception\Stub;
diff --git a/tests/integration/Mailer/Methods/SendGridTest.php b/tests/integration/Mailer/Methods/SendGridTest.php
index 3435892d68..6775fc0b47 100644
--- a/tests/integration/Mailer/Methods/SendGridTest.php
+++ b/tests/integration/Mailer/Methods/SendGridTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods;
 
 use Codeception\Stub;
diff --git a/tests/integration/Models/CustomFieldTest.php b/tests/integration/Models/CustomFieldTest.php
index e61395bf1a..b026a60f32 100644
--- a/tests/integration/Models/CustomFieldTest.php
+++ b/tests/integration/Models/CustomFieldTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\CustomField;
diff --git a/tests/integration/Models/FormTest.php b/tests/integration/Models/FormTest.php
index 0d76ee7954..2494f177cf 100644
--- a/tests/integration/Models/FormTest.php
+++ b/tests/integration/Models/FormTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\Form;
diff --git a/tests/integration/Models/ModelTest.php b/tests/integration/Models/ModelTest.php
index 122551c58a..51475e80ef 100644
--- a/tests/integration/Models/ModelTest.php
+++ b/tests/integration/Models/ModelTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use Codeception\Util\Stub;
diff --git a/tests/integration/Models/ModelValidatorTest.php b/tests/integration/Models/ModelValidatorTest.php
index 851f247057..17b9cd506e 100644
--- a/tests/integration/Models/ModelValidatorTest.php
+++ b/tests/integration/Models/ModelValidatorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\ModelValidator;
diff --git a/tests/integration/Models/NewsletterOptionFieldTest.php b/tests/integration/Models/NewsletterOptionFieldTest.php
index ab53efafa3..dd3e693c5b 100644
--- a/tests/integration/Models/NewsletterOptionFieldTest.php
+++ b/tests/integration/Models/NewsletterOptionFieldTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\Newsletter;
diff --git a/tests/integration/Models/NewsletterOptionTest.php b/tests/integration/Models/NewsletterOptionTest.php
index c765f5a8e0..07d6a4bdad 100644
--- a/tests/integration/Models/NewsletterOptionTest.php
+++ b/tests/integration/Models/NewsletterOptionTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\NewsletterOption;
diff --git a/tests/integration/Models/NewsletterPostTest.php b/tests/integration/Models/NewsletterPostTest.php
index f6bc6f8fdc..818522d949 100644
--- a/tests/integration/Models/NewsletterPostTest.php
+++ b/tests/integration/Models/NewsletterPostTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Models/NewsletterTemplateTest.php b/tests/integration/Models/NewsletterTemplateTest.php
index 0425fc9779..aad6aad01b 100644
--- a/tests/integration/Models/NewsletterTemplateTest.php
+++ b/tests/integration/Models/NewsletterTemplateTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\NewsletterTemplate;
diff --git a/tests/integration/Models/NewsletterTest.php b/tests/integration/Models/NewsletterTest.php
index dd606d2c26..f2ef110491 100644
--- a/tests/integration/Models/NewsletterTest.php
+++ b/tests/integration/Models/NewsletterTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Models/ScheduledTaskSubscriberTest.php b/tests/integration/Models/ScheduledTaskSubscriberTest.php
index df1810e082..c1c9c38994 100644
--- a/tests/integration/Models/ScheduledTaskSubscriberTest.php
+++ b/tests/integration/Models/ScheduledTaskSubscriberTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use Codeception\Util\Fixtures;
diff --git a/tests/integration/Models/ScheduledTaskTest.php b/tests/integration/Models/ScheduledTaskTest.php
index 30c5ca4a29..128626ce59 100644
--- a/tests/integration/Models/ScheduledTaskTest.php
+++ b/tests/integration/Models/ScheduledTaskTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Models/SegmentTest.php b/tests/integration/Models/SegmentTest.php
index 7da9679bbb..bc44d70425 100644
--- a/tests/integration/Models/SegmentTest.php
+++ b/tests/integration/Models/SegmentTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\Newsletter;
diff --git a/tests/integration/Models/SettingTest.php b/tests/integration/Models/SettingTest.php
index 905c2044c2..6884814c4f 100644
--- a/tests/integration/Models/SettingTest.php
+++ b/tests/integration/Models/SettingTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\Setting;
diff --git a/tests/integration/Models/StatisticsFormsTest.php b/tests/integration/Models/StatisticsFormsTest.php
index 0b175affa0..26a25faf1c 100644
--- a/tests/integration/Models/StatisticsFormsTest.php
+++ b/tests/integration/Models/StatisticsFormsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\StatisticsForms;
diff --git a/tests/integration/Models/StatisticsUnsubscribesTest.php b/tests/integration/Models/StatisticsUnsubscribesTest.php
index 69183f58a6..7438ae38a1 100644
--- a/tests/integration/Models/StatisticsUnsubscribesTest.php
+++ b/tests/integration/Models/StatisticsUnsubscribesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\StatisticsUnsubscribes;
diff --git a/tests/integration/Models/SubscriberCustomFieldTest.php b/tests/integration/Models/SubscriberCustomFieldTest.php
index a1631fd421..938cbeb66f 100644
--- a/tests/integration/Models/SubscriberCustomFieldTest.php
+++ b/tests/integration/Models/SubscriberCustomFieldTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\SubscriberCustomField;
diff --git a/tests/integration/Models/SubscriberSegmentTest.php b/tests/integration/Models/SubscriberSegmentTest.php
index 6a6180c439..3b2b74c682 100644
--- a/tests/integration/Models/SubscriberSegmentTest.php
+++ b/tests/integration/Models/SubscriberSegmentTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use MailPoet\Models\Subscriber;
diff --git a/tests/integration/Models/SubscriberTest.php b/tests/integration/Models/SubscriberTest.php
index f7cea44f49..c2b21e9f40 100644
--- a/tests/integration/Models/SubscriberTest.php
+++ b/tests/integration/Models/SubscriberTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Models;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Newsletter/AutomatedLatestContentTest.php b/tests/integration/Newsletter/AutomatedLatestContentTest.php
index 5ed7b527c3..3328d02b6a 100644
--- a/tests/integration/Newsletter/AutomatedLatestContentTest.php
+++ b/tests/integration/Newsletter/AutomatedLatestContentTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter;
 
 use MailPoet\Newsletter\AutomatedLatestContent;
diff --git a/tests/integration/Newsletter/Editor/PostContentManagerTest.php b/tests/integration/Newsletter/Editor/PostContentManagerTest.php
index 35c10f95d8..6d4a455778 100644
--- a/tests/integration/Newsletter/Editor/PostContentManagerTest.php
+++ b/tests/integration/Newsletter/Editor/PostContentManagerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter\Editor;
 
 use MailPoet\Newsletter\Editor\PostContentManager;
diff --git a/tests/integration/Newsletter/Editor/PostContentTransformerTest.php b/tests/integration/Newsletter/Editor/PostContentTransformerTest.php
index 0cd3b590d3..1febda5ba4 100644
--- a/tests/integration/Newsletter/Editor/PostContentTransformerTest.php
+++ b/tests/integration/Newsletter/Editor/PostContentTransformerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter\Editor;
 
 use AspectMock\Test as Mock;
diff --git a/tests/integration/Newsletter/Links/LinksTest.php b/tests/integration/Newsletter/Links/LinksTest.php
index 4e84173e0e..b1ac2018d9 100644
--- a/tests/integration/Newsletter/Links/LinksTest.php
+++ b/tests/integration/Newsletter/Links/LinksTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter\Links;
 
 use Codeception\Util\Fixtures;
diff --git a/tests/integration/Newsletter/RendererTest.php b/tests/integration/Newsletter/RendererTest.php
index 4431f15b6c..4777a1144c 100644
--- a/tests/integration/Newsletter/RendererTest.php
+++ b/tests/integration/Newsletter/RendererTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter;
 
 use Codeception\Util\Fixtures;
diff --git a/tests/integration/Newsletter/Scheduler/AutomaticEmailTest.php b/tests/integration/Newsletter/Scheduler/AutomaticEmailTest.php
index 3564111e58..77163b9c5a 100644
--- a/tests/integration/Newsletter/Scheduler/AutomaticEmailTest.php
+++ b/tests/integration/Newsletter/Scheduler/AutomaticEmailTest.php
@@ -2,7 +2,6 @@
 
 namespace MailPoet\Newsletter\Scheduler;
 
-
 use Carbon\Carbon;
 use Codeception\Util\Fixtures;
 use MailPoet\Models\Newsletter;
diff --git a/tests/integration/Newsletter/Scheduler/SchedulerTest.php b/tests/integration/Newsletter/Scheduler/SchedulerTest.php
index c55c6ed038..73f7d25ae6 100644
--- a/tests/integration/Newsletter/Scheduler/SchedulerTest.php
+++ b/tests/integration/Newsletter/Scheduler/SchedulerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter\Scheduler;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Newsletter/ShortcodesHelperTest.php b/tests/integration/Newsletter/ShortcodesHelperTest.php
index 663b00bfd8..3eb3eb4286 100644
--- a/tests/integration/Newsletter/ShortcodesHelperTest.php
+++ b/tests/integration/Newsletter/ShortcodesHelperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter;
 
 use MailPoet\Models\CustomField;
diff --git a/tests/integration/Newsletter/ShortcodesTest.php b/tests/integration/Newsletter/ShortcodesTest.php
index 3804ae5611..6466e573cf 100644
--- a/tests/integration/Newsletter/ShortcodesTest.php
+++ b/tests/integration/Newsletter/ShortcodesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter;
 
 use Codeception\Util\Stub;
diff --git a/tests/integration/Newsletter/ViewInBrowserTest.php b/tests/integration/Newsletter/ViewInBrowserTest.php
index 7196914e5a..5beb82d929 100644
--- a/tests/integration/Newsletter/ViewInBrowserTest.php
+++ b/tests/integration/Newsletter/ViewInBrowserTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter;
 
 use MailPoet\Models\Newsletter;
diff --git a/tests/integration/Referrals/UrlDecoratorTest.php b/tests/integration/Referrals/UrlDecoratorTest.php
index 34a7c27c4d..bf1e20d362 100644
--- a/tests/integration/Referrals/UrlDecoratorTest.php
+++ b/tests/integration/Referrals/UrlDecoratorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Router;
 
 use MailPoet\Referrals\ReferralDetector;
diff --git a/tests/integration/Router/Endpoints/TrackTest.php b/tests/integration/Router/Endpoints/TrackTest.php
index acd77e7e46..fe275425d6 100644
--- a/tests/integration/Router/Endpoints/TrackTest.php
+++ b/tests/integration/Router/Endpoints/TrackTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Router\Endpoints;
 
 use Codeception\Stub;
diff --git a/tests/integration/Services/BridgeTestMockAPI.php b/tests/integration/Services/BridgeTestMockAPI.php
index df0e2b5a76..8d4e760d67 100644
--- a/tests/integration/Services/BridgeTestMockAPI.php
+++ b/tests/integration/Services/BridgeTestMockAPI.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Services\Bridge;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Settings/SettingsControllerTest.php b/tests/integration/Settings/SettingsControllerTest.php
index c9b769618d..e32ca02583 100644
--- a/tests/integration/Settings/SettingsControllerTest.php
+++ b/tests/integration/Settings/SettingsControllerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Settings;
 
 use Codeception\Stub;
diff --git a/tests/integration/Settings/UserFlagsControllerTest.php b/tests/integration/Settings/UserFlagsControllerTest.php
index 4bff29afcd..a57d9fb7de 100644
--- a/tests/integration/Settings/UserFlagsControllerTest.php
+++ b/tests/integration/Settings/UserFlagsControllerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Settings;
 
 use Codeception\Stub;
diff --git a/tests/integration/Statistics/Track/ClicksTest.php b/tests/integration/Statistics/Track/ClicksTest.php
index 7f2cb16a2b..207c145a97 100644
--- a/tests/integration/Statistics/Track/ClicksTest.php
+++ b/tests/integration/Statistics/Track/ClicksTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Statistics\Track;
 
 use Codeception\Stub;
diff --git a/tests/integration/Statistics/Track/OpensTest.php b/tests/integration/Statistics/Track/OpensTest.php
index ec18cabccd..91bc5716e7 100644
--- a/tests/integration/Statistics/Track/OpensTest.php
+++ b/tests/integration/Statistics/Track/OpensTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Statistics\Track;
 
 use Codeception\Stub;
diff --git a/tests/integration/Statistics/Track/UnsubscribesTest.php b/tests/integration/Statistics/Track/UnsubscribesTest.php
index f15c4666d4..6a3b2b2fb4 100644
--- a/tests/integration/Statistics/Track/UnsubscribesTest.php
+++ b/tests/integration/Statistics/Track/UnsubscribesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Statistics\Track;
 
 use MailPoet\Models\Newsletter;
diff --git a/tests/integration/Statistics/Track/WooCommercePurchasesTest.php b/tests/integration/Statistics/Track/WooCommercePurchasesTest.php
index 395c6dd5ce..438ea77ab9 100644
--- a/tests/integration/Statistics/Track/WooCommercePurchasesTest.php
+++ b/tests/integration/Statistics/Track/WooCommercePurchasesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Statistics\Track;
 
 use DateTime;
diff --git a/tests/integration/Subscribers/ImportExport/Import/ImportTest.php b/tests/integration/Subscribers/ImportExport/Import/ImportTest.php
index 1a6e847b1e..89acaa26b2 100644
--- a/tests/integration/Subscribers/ImportExport/Import/ImportTest.php
+++ b/tests/integration/Subscribers/ImportExport/Import/ImportTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscribers\ImportExport\Import;
 
 use MailPoet\Models\CustomField;
diff --git a/tests/integration/Subscribers/ImportExport/ImportExportFactoryTest.php b/tests/integration/Subscribers/ImportExport/ImportExportFactoryTest.php
index 89e1a80291..c377d028b6 100644
--- a/tests/integration/Subscribers/ImportExport/ImportExportFactoryTest.php
+++ b/tests/integration/Subscribers/ImportExport/ImportExportFactoryTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscribers\ImportExport;
 
 use MailPoet\Models\CustomField;
diff --git a/tests/integration/Subscription/CaptchaSessionTest.php b/tests/integration/Subscription/CaptchaSessionTest.php
index 50dd50b22b..41c476dfca 100644
--- a/tests/integration/Subscription/CaptchaSessionTest.php
+++ b/tests/integration/Subscription/CaptchaSessionTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscription;
 
 use MailPoet\Subscription\CaptchaSession;
diff --git a/tests/integration/Subscription/CaptchaTest.php b/tests/integration/Subscription/CaptchaTest.php
index 308d736447..dffb69cf15 100644
--- a/tests/integration/Subscription/CaptchaTest.php
+++ b/tests/integration/Subscription/CaptchaTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscription;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Subscription/FormTest.php b/tests/integration/Subscription/FormTest.php
index ab13f75b23..be5b156072 100644
--- a/tests/integration/Subscription/FormTest.php
+++ b/tests/integration/Subscription/FormTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscription;
 
 use Codeception\Stub;
diff --git a/tests/integration/Subscription/PagesTest.php b/tests/integration/Subscription/PagesTest.php
index 38084ad6ae..d6f1cc521b 100644
--- a/tests/integration/Subscription/PagesTest.php
+++ b/tests/integration/Subscription/PagesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscription;
 
 use Codeception\Stub;
diff --git a/tests/integration/Subscription/ThrottlingTest.php b/tests/integration/Subscription/ThrottlingTest.php
index 0b667f62a2..240b1f563f 100644
--- a/tests/integration/Subscription/ThrottlingTest.php
+++ b/tests/integration/Subscription/ThrottlingTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscription;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Subscription/UrlTest.php b/tests/integration/Subscription/UrlTest.php
index b1d452436b..1c31d99e31 100644
--- a/tests/integration/Subscription/UrlTest.php
+++ b/tests/integration/Subscription/UrlTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscription;
 
 use Codeception\Util\Stub;
diff --git a/tests/integration/Tasks/SendingTest.php b/tests/integration/Tasks/SendingTest.php
index be85e67a08..069a03d3b6 100644
--- a/tests/integration/Tasks/SendingTest.php
+++ b/tests/integration/Tasks/SendingTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Tasks;
 
 use Carbon\Carbon;
diff --git a/tests/integration/Tasks/StateTest.php b/tests/integration/Tasks/StateTest.php
index 7d369269b4..658fc6332a 100644
--- a/tests/integration/Tasks/StateTest.php
+++ b/tests/integration/Tasks/StateTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Tasks;
 
 use MailPoet\Cron\Workers\SendingQueue\Migration;
diff --git a/tests/integration/Tasks/Subscribers/BatchIteratorTest.php b/tests/integration/Tasks/Subscribers/BatchIteratorTest.php
index 26ea6e3fd1..abfa674bf4 100644
--- a/tests/integration/Tasks/Subscribers/BatchIteratorTest.php
+++ b/tests/integration/Tasks/Subscribers/BatchIteratorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Tasks\Subscribers;
 
 use MailPoet\Models\ScheduledTaskSubscriber;
diff --git a/tests/integration/Twig/AssetsTest.php b/tests/integration/Twig/AssetsTest.php
index 1e9e6810d6..5e9cc2d494 100644
--- a/tests/integration/Twig/AssetsTest.php
+++ b/tests/integration/Twig/AssetsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Twig;
 
 use MailPoet\Twig\Assets;
diff --git a/tests/integration/Util/ConflictResolverTest.php b/tests/integration/Util/ConflictResolverTest.php
index 7f03e6c848..c40a207618 100644
--- a/tests/integration/Util/ConflictResolverTest.php
+++ b/tests/integration/Util/ConflictResolverTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 use MailPoet\Util\ConflictResolver;
diff --git a/tests/integration/Util/License/Features/SubscribersTest.php b/tests/integration/Util/License/Features/SubscribersTest.php
index 32b0f5a4f2..1e59688a59 100644
--- a/tests/integration/Util/License/Features/SubscribersTest.php
+++ b/tests/integration/Util/License/Features/SubscribersTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util\License\Features;
 
 use Codeception\Util\Fixtures;
diff --git a/tests/integration/WP/EmojiTest.php b/tests/integration/WP/EmojiTest.php
index b3a9322be6..ba2df89869 100644
--- a/tests/integration/WP/EmojiTest.php
+++ b/tests/integration/WP/EmojiTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\WP;
 
 use MailPoet\Config\Env;
diff --git a/tests/integration/WP/FunctionsTest.php b/tests/integration/WP/FunctionsTest.php
index 14d3d40715..6eb0acbd78 100644
--- a/tests/integration/WP/FunctionsTest.php
+++ b/tests/integration/WP/FunctionsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\WP;
 
 use MailPoet\WP\Functions as WPFunctions;
diff --git a/tests/integration/WooCommerce/SubscriptionTest.php b/tests/integration/WooCommerce/SubscriptionTest.php
index b9307601a7..525cee92a1 100644
--- a/tests/integration/WooCommerce/SubscriptionTest.php
+++ b/tests/integration/WooCommerce/SubscriptionTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WooCommerce;
 
 use Codeception\Util\Fixtures;
diff --git a/tests/integration/WooCommerce/TransactionalEmailsTest.php b/tests/integration/WooCommerce/TransactionalEmailsTest.php
index a1ea4e46b1..715ca98ee1 100644
--- a/tests/integration/WooCommerce/TransactionalEmailsTest.php
+++ b/tests/integration/WooCommerce/TransactionalEmailsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\WooCommerce;
 
 use Codeception\Stub;
diff --git a/tests/unit/DI/ContainerWrapperTest.php b/tests/unit/DI/ContainerWrapperTest.php
index 67c6f14e9f..9aa2d3ae8e 100644
--- a/tests/unit/DI/ContainerWrapperTest.php
+++ b/tests/unit/DI/ContainerWrapperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\DI;
 
 use Codeception\Stub;
diff --git a/tests/unit/Features/FeaturesControllerTest.php b/tests/unit/Features/FeaturesControllerTest.php
index 8d726ec7e7..a83a0f3500 100644
--- a/tests/unit/Features/FeaturesControllerTest.php
+++ b/tests/unit/Features/FeaturesControllerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\API\JSON\v1;
 
 use MailPoet\Entities\FeatureFlagEntity;
diff --git a/tests/unit/Form/Block/DateTest.php b/tests/unit/Form/Block/DateTest.php
index 5ccbadb3a8..7c5b7aa637 100644
--- a/tests/unit/Form/Block/DateTest.php
+++ b/tests/unit/Form/Block/DateTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Form\Block;
 
 use MailPoet\Form\Block\Date;
diff --git a/tests/unit/Form/Util/StylesTest.php b/tests/unit/Form/Util/StylesTest.php
index 63d4f732cb..1a85b854b1 100644
--- a/tests/unit/Form/Util/StylesTest.php
+++ b/tests/unit/Form/Util/StylesTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Form\Util;
 
 use MailPoet\Form\Util\Styles;
diff --git a/tests/unit/Mailer/MailerErrorTest.php b/tests/unit/Mailer/MailerErrorTest.php
index 04f818e3bc..794a0a138d 100644
--- a/tests/unit/Mailer/MailerErrorTest.php
+++ b/tests/unit/Mailer/MailerErrorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer;
 
 use Codeception\Stub;
diff --git a/tests/unit/Mailer/Methods/ErrorMappers/AmazonSESMapperTest.php b/tests/unit/Mailer/Methods/ErrorMappers/AmazonSESMapperTest.php
index 1386f25370..57ff596b39 100644
--- a/tests/unit/Mailer/Methods/ErrorMappers/AmazonSESMapperTest.php
+++ b/tests/unit/Mailer/Methods/ErrorMappers/AmazonSESMapperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/tests/unit/Mailer/Methods/ErrorMappers/PHPMailMapperTest.php b/tests/unit/Mailer/Methods/ErrorMappers/PHPMailMapperTest.php
index d7e15b7eef..09f4b2148f 100644
--- a/tests/unit/Mailer/Methods/ErrorMappers/PHPMailMapperTest.php
+++ b/tests/unit/Mailer/Methods/ErrorMappers/PHPMailMapperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods\ErrorMappers;
 
 use Codeception\Stub;
diff --git a/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php b/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php
index b6a24b4c4c..fc06e8aebb 100644
--- a/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php
+++ b/tests/unit/Mailer/Methods/ErrorMappers/SMTPMapperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods\ErrorMappers;
 
 use Codeception\Stub;
diff --git a/tests/unit/Mailer/Methods/ErrorMappers/SendGridMapperTest.php b/tests/unit/Mailer/Methods/ErrorMappers/SendGridMapperTest.php
index dcb03aaaa3..39fec83ce1 100644
--- a/tests/unit/Mailer/Methods/ErrorMappers/SendGridMapperTest.php
+++ b/tests/unit/Mailer/Methods/ErrorMappers/SendGridMapperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Mailer\Methods\ErrorMappers;
 
 use MailPoet\Mailer\MailerError;
diff --git a/tests/unit/Newsletter/Editor/StructureTransformerTest.php b/tests/unit/Newsletter/Editor/StructureTransformerTest.php
index 043127df65..3794fafe5a 100644
--- a/tests/unit/Newsletter/Editor/StructureTransformerTest.php
+++ b/tests/unit/Newsletter/Editor/StructureTransformerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter\Editor;
 
 use MailPoet\Newsletter\Editor\StructureTransformer;
diff --git a/tests/unit/Newsletter/Renderer/Blocks/ButtonTest.php b/tests/unit/Newsletter/Renderer/Blocks/ButtonTest.php
index 8407bed51c..d5cb9b52cd 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/ButtonTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/ButtonTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 class ButtonTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Newsletter/Renderer/Blocks/DividerTest.php b/tests/unit/Newsletter/Renderer/Blocks/DividerTest.php
index ed38fd343e..c11f4a3ef5 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/DividerTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/DividerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 class DividerTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Newsletter/Renderer/Blocks/FooterTest.php b/tests/unit/Newsletter/Renderer/Blocks/FooterTest.php
index bdf2e6702b..9734275b4c 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/FooterTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/FooterTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 class FooterTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Newsletter/Renderer/Blocks/HeaderTest.php b/tests/unit/Newsletter/Renderer/Blocks/HeaderTest.php
index 53b5e3a1bd..c13db8de7a 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/HeaderTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/HeaderTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 class HeaderTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Newsletter/Renderer/Blocks/ImageTest.php b/tests/unit/Newsletter/Renderer/Blocks/ImageTest.php
index b43d3dce83..7d5de08f5b 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/ImageTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/ImageTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 class ImageTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Newsletter/Renderer/Blocks/SocialTest.php b/tests/unit/Newsletter/Renderer/Blocks/SocialTest.php
index 5b9b3ffe29..48eb623ff4 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/SocialTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/SocialTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 class SocialTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Newsletter/Renderer/Blocks/SpacerTest.php b/tests/unit/Newsletter/Renderer/Blocks/SpacerTest.php
index 4ff81e1574..b8d1c539fd 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/SpacerTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/SpacerTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 class SpacerTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Newsletter/Renderer/Blocks/TextTest.php b/tests/unit/Newsletter/Renderer/Blocks/TextTest.php
index 24ee833863..6999eaa6ae 100644
--- a/tests/unit/Newsletter/Renderer/Blocks/TextTest.php
+++ b/tests/unit/Newsletter/Renderer/Blocks/TextTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Newsletter\Renderer\Blocks;
 
 use MailPoet\Util\pQuery\pQuery;
diff --git a/tests/unit/Newsletter/Renderer/EscapeHelperTest.php b/tests/unit/Newsletter/Renderer/EscapeHelperTest.php
index 4da1f65169..4c5db73823 100644
--- a/tests/unit/Newsletter/Renderer/EscapeHelperTest.php
+++ b/tests/unit/Newsletter/Renderer/EscapeHelperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter;
 
 use MailPoet\Newsletter\Renderer\EscapeHelper as EHelper;
diff --git a/tests/unit/Newsletter/Renderer/StylesHelperTest.php b/tests/unit/Newsletter/Renderer/StylesHelperTest.php
index 1662e497b9..9468315d86 100644
--- a/tests/unit/Newsletter/Renderer/StylesHelperTest.php
+++ b/tests/unit/Newsletter/Renderer/StylesHelperTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Newsletter;
 
 use MailPoet\Newsletter\Renderer\StylesHelper;
diff --git a/tests/unit/Referrals/ReferralDetectorTest.php b/tests/unit/Referrals/ReferralDetectorTest.php
index e611467a81..8d3aaa19ee 100644
--- a/tests/unit/Referrals/ReferralDetectorTest.php
+++ b/tests/unit/Referrals/ReferralDetectorTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Referrals;
 
 use MailPoet\Settings\SettingsController;
diff --git a/tests/unit/Services/SPFCheckTest.php b/tests/unit/Services/SPFCheckTest.php
index ca53c4cf09..af7fd273a7 100644
--- a/tests/unit/Services/SPFCheckTest.php
+++ b/tests/unit/Services/SPFCheckTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Services;
 
 class SPFCheckTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Settings/CharsetsTest.php b/tests/unit/Settings/CharsetsTest.php
index 02eda6e4fe..75f35a6343 100644
--- a/tests/unit/Settings/CharsetsTest.php
+++ b/tests/unit/Settings/CharsetsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Settings;
 
 use MailPoet\Settings\Charsets;
diff --git a/tests/unit/Settings/HostsTest.php b/tests/unit/Settings/HostsTest.php
index 2545c51ad3..4baf7caba5 100644
--- a/tests/unit/Settings/HostsTest.php
+++ b/tests/unit/Settings/HostsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Settings;
 
 use MailPoet\Settings\Hosts;
diff --git a/tests/unit/Subscribers/ImportExport/Import/MailChimpTest.php b/tests/unit/Subscribers/ImportExport/Import/MailChimpTest.php
index 4496713693..1f30861616 100644
--- a/tests/unit/Subscribers/ImportExport/Import/MailChimpTest.php
+++ b/tests/unit/Subscribers/ImportExport/Import/MailChimpTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Subscribers\ImportExport\Import;
 
 use Codeception\Stub;
diff --git a/tests/unit/Subscription/BlacklistTest.php b/tests/unit/Subscription/BlacklistTest.php
index f6622eab49..b4ce993b7f 100644
--- a/tests/unit/Subscription/BlacklistTest.php
+++ b/tests/unit/Subscription/BlacklistTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Subscription;
 
 class BlacklistTest extends \MailPoetUnitTest {
diff --git a/tests/unit/Util/CSSTest.php b/tests/unit/Util/CSSTest.php
index b9d807c960..8e9a875894 100644
--- a/tests/unit/Util/CSSTest.php
+++ b/tests/unit/Util/CSSTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 use MailPoet\Util\CSS;
diff --git a/tests/unit/Util/DOMTest.php b/tests/unit/Util/DOMTest.php
index ddae1cf459..9cf504a88d 100644
--- a/tests/unit/Util/DOMTest.php
+++ b/tests/unit/Util/DOMTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 use pQuery;
diff --git a/tests/unit/Util/HelpersTest.php b/tests/unit/Util/HelpersTest.php
index 7f898abff7..de83953527 100644
--- a/tests/unit/Util/HelpersTest.php
+++ b/tests/unit/Util/HelpersTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 use MailPoet\Util\Helpers;
diff --git a/tests/unit/Util/License/LicenseTest.php b/tests/unit/Util/License/LicenseTest.php
index 186d330eb0..b6dc5f03fb 100644
--- a/tests/unit/Util/License/LicenseTest.php
+++ b/tests/unit/Util/License/LicenseTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util\License;
 
 use MailPoet\Util\License\License;
diff --git a/tests/unit/Util/PQueryTest.php b/tests/unit/Util/PQueryTest.php
index f6e1af87df..6e093e1a22 100644
--- a/tests/unit/Util/PQueryTest.php
+++ b/tests/unit/Util/PQueryTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 use MailPoet\Util\pQuery\pQuery;
diff --git a/tests/unit/Util/SecurityTest.php b/tests/unit/Util/SecurityTest.php
index 2fa22162dc..afc8d6f68f 100644
--- a/tests/unit/Util/SecurityTest.php
+++ b/tests/unit/Util/SecurityTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 use MailPoet\Util\Security;
diff --git a/tests/unit/Util/UrlTest.php b/tests/unit/Util/UrlTest.php
index ec6adcab59..a726f67c55 100644
--- a/tests/unit/Util/UrlTest.php
+++ b/tests/unit/Util/UrlTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 use Codeception\Stub;
diff --git a/tests/unit/Util/XlsxWriterTest.php b/tests/unit/Util/XlsxWriterTest.php
index 261ec871a8..d4b448b5d8 100644
--- a/tests/unit/Util/XlsxWriterTest.php
+++ b/tests/unit/Util/XlsxWriterTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\Util;
 
 class XlsxWriterTest extends \MailPoetUnitTest {
diff --git a/tests/unit/WP/DateTimeTest.php b/tests/unit/WP/DateTimeTest.php
index 7fc7dff2d6..e2e3d155d8 100644
--- a/tests/unit/WP/DateTimeTest.php
+++ b/tests/unit/WP/DateTimeTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\WP;
 
 use Codeception\Stub;
diff --git a/tests/unit/WP/PostsTest.php b/tests/unit/WP/PostsTest.php
index 291ea08872..ae40eefd58 100644
--- a/tests/unit/WP/PostsTest.php
+++ b/tests/unit/WP/PostsTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\WP;
 
 use MailPoet\WP\Posts;
diff --git a/tests/unit/WP/ReadmeTest.php b/tests/unit/WP/ReadmeTest.php
index a7ba09ab0f..cdab1a5887 100644
--- a/tests/unit/WP/ReadmeTest.php
+++ b/tests/unit/WP/ReadmeTest.php
@@ -1,4 +1,5 @@
 <?php
+
 namespace MailPoet\Test\WP;
 
 use MailPoet\WP\Readme;