old_contents: from django.conf import settings
  from django.conf.urls import include, url
  from django.conf.urls.static import static
  from django.contrib import admin
  from django.contrib.staticfiles.urls import staticfiles_urlpatterns
  from django.views.generic.base import TemplateView
  
  
  urlpatterns = [
      url(r'^admin_tools/', include('admin_tools.urls')),
      url(r'^admin/', include(admin.site.urls)),
  
      # Simply show the master template.
      url(r'^$', TemplateView.as_view(template_name='demo.html')),
  ]
  
  # NOTE: The staticfiles_urlpatterns also discovers static files (ie. no need to run collectstatic). Both the static
  # folder and the media folder are only served via Django if DEBUG = True.
  urlpatterns += staticfiles_urlpatterns() + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
new_contents: from django.conf import settings
  from django.conf.urls import include, url
  from django.conf.urls.static import static
  from django.contrib import admin
  from django.contrib.staticfiles.urls import staticfiles_urlpatterns
  from django.views.generic.base import TemplateView
  
  
  urlpatterns = [
      url(r'^admin_tools/', include('admin_tools.urls')),
      url(r'^admin/', include(admin.site.urls)),
  
      # Simply show the master template.
      url(r'^$', TemplateView.as_view(template_name='demo.html')),
  ]
  
  # NOTE: The staticfiles_urlpatterns also discovers static files (ie. no need to run collectstatic). Both the static
  # folder and the media folder are only served via Django if DEBUG = True.
  urlpatterns += staticfiles_urlpatterns() + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
  if settings.DEBUG:
      import debug_toolbar
      urlpatterns += [
          url(r'^__debug__/', include(debug_toolbar.urls)),
      ]
  
subject: Add missing configuration for DjDT