diff --git a/conntrackt/urls.py b/conntrackt/urls.py
--- a/conntrackt/urls.py
+++ b/conntrackt/urls.py
@@ -1,22 +1,21 @@
-# Import basic functions for URL pattern processing.
+# Django imports.
 from django.conf.urls import patterns, url
-
-# For logging-in the users
 from django.contrib.auth.views import login, logout
 
-# Import some app-specific views.
+# Application imports.
 from .views import IndexView, ProjectView, EntityView, entity_iptables, project_iptables
 
+
 urlpatterns = patterns(
     'conntrackt.views',
     # Homepage/index view.
     url(r'^$', IndexView.as_view(), name="index"),
     # View for showing information about a project.
     url(r'^project/(?P<pk>\d+)/$', ProjectView.as_view(),
-        name = 'project'),
+        name='project'),
     # View for showing information about an entity.
     url(r'^entity/(?P<pk>\d+)/$', EntityView.as_view(),
-        name = 'entity'),
+        name='entity'),
     # View for rendering iptables rules for a specific entity.
     url(r'^entity/(?P<pk>\d+)/iptables/$', entity_iptables, name="entity_iptables"),
     # View for rendering zip file with iptables rules for all entities in a project.
@@ -24,7 +23,7 @@ urlpatterns = patterns(
     # View for rendering zip file with iptables rules for all entities in a project for a specific location.
     url(r'^project/(?P<project_id>\d+)/location/(?P<location_id>\d+)/iptables/$', project_iptables, name="project_location_iptables"),
     # Views for logging-in/out the users.
-    url(r'^login/$', login, {'template_name': 'conntrackt/login.html'}, name = "login"),
-    url(r'^logout/$', logout, name = "logout"),
+    url(r'^login/$', login, {'template_name': 'conntrackt/login.html'}, name="login"),
+    url(r'^logout/$', logout, name="logout"),
 )