old_contents: from django.conf.urls import url, include
  from django.conf.urls.i18n import i18n_patterns
  from django.contrib import admin
  
  urlpatterns = i18n_patterns(
      url(r'^admin/', admin.site.urls),
      url(r'^', include('cms.urls')),
  )
  
new_contents: import django
  from django.conf.urls.i18n import i18n_patterns
  from django.contrib import admin
  
  if django.get_version() < "2.0.0":    
      from django.conf.urls import url, include
  
      urlpatterns = i18n_patterns(
          url(r'^admin/', admin.site.urls),
          url(r'^', include('cms.urls')),
      )
  
  if django.get_version() >= "2.0.0":    
      from django.urls import path, include
  
      urlpatterns = i18n_patterns(
          path('admin/', admin.site.urls),
          path('', include('cms.urls')),
      )
  
subject: update urls.py for django{111,2}