old_contents: """URL configuration."""
  from django.conf.urls import include, url
  from django.contrib import admin
  
  from um.core import views as core_views
  from um.exercises import views as exercises_views
  from um.exercises import urls as exercises_urls
  # from um.exercises import views as exercises_views
  from um.sheets import urls as sheets_urls
  
  
  urlpatterns = [
      url(r'^favicon\.ico$', core_views.favicon_view),  # redirect stupid browser looking for /favicon.ico
      url(r'^robots\.txt$', core_views.robots_txt_view),  # serve the robots.txt
      url(r'^$', exercises_views.ExcerciseListView.as_view(), name='index'),
      url(r'^admin/', admin.site.urls),
      url(r'^accounts/', include('allauth.urls')),
      url(r'^exercises/', include(exercises_urls, namespace='exercises')),
      url(r'^sheets/', include(sheets_urls, namespace='sheets')),
  ]
  
new_contents: """URL configuration."""
  from django.conf.urls import include, url
  from django.contrib import admin
  
  from um.core import views as core_views
  from um.exercises import views as exercises_views
  from um.exercises import urls as exercises_urls
  from um.sheets import urls as sheets_urls
  
  
  urlpatterns = [
      url(r'^favicon\.ico$', core_views.favicon_view),  # redirect stupid browser looking for /favicon.ico
      url(r'^robots\.txt$', core_views.robots_txt_view),  # serve the robots.txt
      url(r'^$', exercises_views.ExcerciseListView.as_view(), name='index'),
      url(r'^root/', admin.site.urls),
      url(r'^konto/', include('allauth.urls')),
      url(r'^aufgaben/', include(exercises_urls, namespace='exercises')),
      url(r'^aufgabenblaetter/', include(sheets_urls, namespace='sheets')),
  ]
  
subject: Make urls German