old_contents: from django.conf.urls.defaults import url, patterns
  
  from cab.views import feeds
  
  urlpatterns = patterns('',
      url(r'^author/(?P<username>[\w.@+-]+)/$',
          feeds.SnippetsByAuthorFeed()),
      url(r'^language/(?P<slug>[\w-]+)/$',
          feeds.SnippetsByLanguageFeed()),
      url(r'^latest/$',
          feeds.LatestSnippetsFeed()),
      url(r'^tag/(?P<slug>[\w-]+)/$',
          feeds.SnippetsByTagFeed()),
  )
  
new_contents: from django.conf.urls.defaults import url, patterns
  
  from cab import feeds
  
  urlpatterns = patterns('',
      url(r'^author/(?P<username>[\w.@+-]+)/$',
          feeds.SnippetsByAuthorFeed()),
      url(r'^language/(?P<slug>[\w-]+)/$',
          feeds.SnippetsByLanguageFeed()),
      url(r'^latest/$',
          feeds.LatestSnippetsFeed()),
      url(r'^tag/(?P<slug>[\w-]+)/$',
          feeds.SnippetsByTagFeed()),
  )
  
subject: Fix import error.