- Uses dependency injection for Select2 library

assets/js/src/subscribers/importExport/export.js

@@ -10,7 +10,8 @@ define(
   _,
   jQuery,
   MailPoet,
-  Handlebars
+  Handlebars,
+  select2
  ) {
    if (!jQuery("#mailpoet_subscribers_export").length) {
      return;

assets/js/src/subscribers/importExport/import.js

@@ -18,7 +18,8 @@ define(
       Handlebars,
       Papa,
       AsyncQueue,
-      Moment
+      Moment,
+      select2
     ) {
       if (!jQuery('#mailpoet_subscribers_import').length) {
         return;