old_contents: """project URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.8/topics/http/urls/
  Examples:
  Function views
      1. Add an import:  from my_app import views
      2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
  Class-based views
      1. Add an import:  from other_app.views import Home
      2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
  Including another URLconf
      1. Add an import:  from blog import urls as blog_urls
      2. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
  """
  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 editorial import views
  import editorial.urls
  import allauth.urls
  import watson.urls
  
  
  
  urlpatterns = [
      url(r'^admin/', include(admin.site.urls)),
      url(r'^accounts/', include(allauth.urls)),
      url(r'^tinymce/', include('tinymce.urls')),
      url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
      url(r'^activity/', include('actstream.urls')),
      url(r'', include('editorial.urls')),
  ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
  if settings.DEBUG:
      import debug_toolbar
  
      urlpatterns += [
          url('__debug__/', include(debug_toolbar.urls)),
      ]
new_contents: """project URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.8/topics/http/urls/
  Examples:
  Function views
      1. Add an import:  from my_app import views
      2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
  Class-based views
      1. Add an import:  from other_app.views import Home
      2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
  Including another URLconf
      1. Add an import:  from blog import urls as blog_urls
      2. Add a URL to urlpatterns:  url(r'^blog/', include(blog_urls))
  """
  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 editorial import views
  import editorial.urls
  import allauth.urls
  import watson.urls
  
  
  def throw_error(req):
      """Throw an error; useful for sanity-checking that errors are raised."""
  
      raise Exception("Error Successfully Thrown")
  
  
  urlpatterns = [
      url(r'^admin/', include(admin.site.urls)),
      url(r'^accounts/', include(allauth.urls)),
      url(r'^tinymce/', include('tinymce.urls')),
      url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
      url(r'^activity/', include('actstream.urls')),
      url(r'^_error/', throw_error),
      url(r'', include('editorial.urls')),
  ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
  
  if settings.DEBUG:
      import debug_toolbar
  
      urlpatterns += [
          url('__debug__/', include(debug_toolbar.urls)),
      ]
  
subject: Add predictable error page at /_error/