old_contents: """
  This urlconf exists because Django expects ROOT_URLCONF to exist. URLs
  should be added within the test folders, and use TestCase.urls to set them.
  This helps the tests remain isolated.
  """
  
  from django.conf.urls import patterns
  
  
  urlpatterns = patterns("")
  
new_contents: """
  This urlconf exists because Django expects ROOT_URLCONF to exist. URLs
  should be added within the test folders, and use TestCase.urls to set them.
  This helps the tests remain isolated.
  """
  
  urlpatterns = []
  
subject: Update urls.py