old_contents: from django.conf import settings
  from django.conf.urls import patterns, url
  import bigbrother.views
  
  urlpatterns = patterns('url',
      url('^$', bigbrother.views.BigBrotherIndexView.as_view(), name='bigbrother_index'),
      url('^graph/(?P<slug>[^/]+)/$', bigbrother.views.BigBrotherGraphView.as_view(), name='bigbrother_graph'),
      url('^update/$', bigbrother.views.BigBrotherUpdateView.as_view(), name='bigbrother_update'),
  )
  
new_contents: from django.conf import settings
  from django.conf.urls import patterns, url
  import bigbrother.views
  
  urlpatterns = patterns('',
      url('^$', bigbrother.views.BigBrotherIndexView.as_view(), name='bigbrother_index'),
      url('^graph/(?P<slug>[^/]+)/$', bigbrother.views.BigBrotherGraphView.as_view(), name='bigbrother_graph'),
      url('^update/$', bigbrother.views.BigBrotherUpdateView.as_view(), name='bigbrother_update'),
  )
  
subject: Remove unneeded URL prefix.