old_contents: from django.conf.urls.defaults import *
  
  urlpatterns = patterns('chunks.views',
      url(r'^(?P<slug>\w+)/edit/$', 'edit_link', name='edit_chunk'),
  )
  
new_contents: from django.conf.urls import *
  
  urlpatterns = patterns('chunks.views',
      url(r'^(?P<slug>\w+)/edit/$', 'edit_link', name='edit_chunk'),
  )
  
subject: Update urls.py