adds referral to the admin and isorts imports

src/personalisation/admin_urls.py

@@ -1,8 +1,9 @@
 from __future__ import absolute_import, unicode_literals
 
 from django.conf.urls import url
+
 from personalisation import views
 
 urlpatterns = [
     url(r'^segment/(\d+)/$', views.overview, name='overview'),
-]
+]