old_contents: urls.py
  
new_contents: from django.conf import settings
  from django.conf.urls import url
  from django.conf.urls import patterns
  
  from .views import *
  from . import defaults as defs
  
  
  urlpatterns = [
  
      url(
          r'^update$',
          AdSenseView.as_view(),
          name='adsense_update'
      ),
  
  ]
  
subject: add urls