old_contents: from django.conf.urls.defaults import patterns, url
  
  urlpatterns = patterns(
      'simple_autocomplete.views',
      url(r'^(?P<token>[\w-]+)/$', 'get_json', name='simple-autocomplete'),
  )
  
new_contents: from django.conf.urls import patterns, url
  
  urlpatterns = patterns(
      'simple_autocomplete.views',
      url(r'^(?P<token>[\w-]+)/$', 'get_json', name='simple-autocomplete'),
  )
  
subject: Update urls.py