old_contents: from django.conf.urls import patterns, url, include
  
  urlpatterns = patterns('cron.views',
  	include('^$', 'index'),
  )
new_contents: from django.conf.urls import patterns, url, include
  
  urlpatterns = patterns('cron.views',
  	url('^$', 'index'),
  )
subject: Fix urls bug in cron.