old_contents: from content import views as content_views
  from django.conf import settings, urls
  from django.conf.urls import static
  from django.contrib import admin
  from django.views import generic
  from entities import views as entities_views
  
  
  urlpatterns = [
      urls.url(r'^stadt/', urls.include('account.urls')),
      urls.url(r'^stadt/', urls.include('content.urls')),
      urls.url(r'^stadt/', urls.include('entities.urls')),
      urls.url(r'^stadt/', urls.include('features.memberships.urls')),
      urls.url(r'^stadt/', urls.include('features.subscriptions.urls')),
      urls.url(r'^stadt/admin/', admin.site.urls),
      urls.url(r'^stadt/api/', urls.include('api.urls')),
      urls.url(r'^$', content_views.ContentList.as_view(), name='index'),
      urls.url(r'^gestalt/(?P<gestalt_slug>[\w.@+-]+)/$', entities_views.Gestalt.as_view(), name='gestalt'),
      urls.url(r'^gestalt/(?P<gestalt_slug>[\w.@+-]+)/(?P<slug>[\w-]+)/$', content_views.Content.as_view(), name='gestalt-content'),
      urls.url(r'^(?P<group_slug>[\w-]+)$', entities_views.Group.as_view(), name='group'),
      urls.url(r'^(?P<group_slug>[\w-]+)/(?P<slug>[\w-]+)/$', content_views.Content.as_view(), name='content'),
  ] + static.static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
new_contents: from content import views as content_views
  from django.conf import settings, urls
  from django.conf.urls import static
  from django.contrib import admin
  from django.core import urlresolvers
  from django.views import generic
  from entities import views as entities_views
  
  
  urlpatterns = [
      urls.url(r'^stadt/', urls.include('account.urls')),
      urls.url(r'^stadt/', urls.include('content.urls')),
      urls.url(r'^stadt/', urls.include('entities.urls')),
      urls.url(r'^stadt/', urls.include('features.memberships.urls')),
      urls.url(r'^stadt/', urls.include('features.subscriptions.urls')),
      urls.url(r'^stadt/admin/', admin.site.urls),
      urls.url(r'^stadt/api/', urls.include('api.urls')),
      urls.url(r'^$', content_views.ContentList.as_view(), name='index'),
      urls.url(r'^gestalt/(?P<gestalt_slug>[\w.@+-]+)/$', entities_views.Gestalt.as_view(), name='gestalt'),
      urls.url(r'^gestalt/(?P<gestalt_slug>[\w.@+-]+)/(?P<slug>[\w-]+)/$', content_views.Content.as_view(), name='gestalt-content'),
      urls.url(r'^(?P<group_slug>[\w-]+)/$', entities_views.Group.as_view(), name='group'),
      urls.url(r'^(?P<group_slug>[\w-]+)/(?P<slug>[\w-]+)/$', content_views.Content.as_view(), name='content'),
  ] + static.static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
subject: Fix trailing slash for group urls #144