old_contents: """
  All urls for the Annotations API go here.
  """
  
  from __future__ import absolute_import, unicode_literals
  
  from django.conf.urls import url, include
  
  from . import views
  
  from rest_framework import routers
  
  # The rest_framework router creates all the URLs we need by default.
  # See http://www.django-rest-framework.org/api-guide/routers/
  # or check out the docs/ below for details on default name structures
  router = routers.SimpleRouter()
  router.register(r'annotations', views.AnnotationViewSet)
  
  urlpatterns = router.urls
  
  # Optional 3rd party generated documentation
  
  urlpatterns += (
      url(r'^$', views.AnnotationIndexAPI.as_view(), name='index'),
      # url(r'^docs/', include('rest_framework_swagger.urls')),
  )
  
new_contents: """
  All urls for the Annotations API go here.
  """
  
  from __future__ import absolute_import, unicode_literals
  
  from django.conf.urls import url
  
  from . import views
  
  from rest_framework import routers
  
  # The rest_framework router creates all the URLs we need by default.
  # See http://www.django-rest-framework.org/api-guide/routers/
  # or check out the docs/ below for details on default name structures
  router = routers.SimpleRouter()
  router.register(r'annotations', views.AnnotationViewSet)
  
  urlpatterns = router.urls
  
  urlpatterns += (
      url(r'^$', views.AnnotationIndexAPI.as_view(), name='index'),
      # Optional 3rd party generated documentation
      # url(r'^docs/', include('rest_framework_swagger.urls')),
  )
  
subject: Remove unused import