old_contents: # -*- coding: utf-8
  from django.conf.urls import url, include
  from django.contrib import admin
  
  
  urlpatterns = [
      url(r'^admin/', admin.site.urls),
      url(r'^', include('social_django.urls', namespace='social')),
  ]
  
new_contents: # -*- coding: utf-8
  from django.urls import include, path
  from django.contrib import admin
  
  
  urlpatterns = [
      path('admin/', admin.site.urls),
      path('', include('social_django.urls', namespace='social')),
  ]
  
subject: Replace deprecated urls.url with urls.path