old_contents: from django.conf.urls import url
  
  from .views import DisplayCreate
  from .views import DisplayDelete
  from .views import DisplayDetail
  from .views import DisplayList
  from .views import DisplayUpdate
  from .views import SlideCreate
  from .views import SlideDelete
  from .views import SlideList
  from .views import SlideUpdate
  
  
  app_name = 'signage'
  
  urlpatterns = [
      url(r'^(?P<pk>\d+)/$', DisplayDetail.as_view(), name='display'),
      url(r'^displays/$', DisplayList.as_view(), name='display_list'),
      url(r'^displays/create/$', DisplayCreate.as_view(), name='display_create'),
      url(r'^displays/delete/(?P<pk>\d+)/$', DisplayDelete.as_view(), name='display_delete'),
      url(r'^displays/update/(?P<pk>\d+)/$', DisplayUpdate.as_view(), name='display_update'),
      url(r'^slides/$', SlideList.as_view(), name='slide_list'),
      url(r'^slides/create/$', SlideCreate.as_view(), name='slide_create'),
      url(r'^slides/delete/(?P<pk>\d+)/$', SlideDelete.as_view(), name='slide_delete'),
      url(r'^slides/update/(?P<pk>\d+)/$', SlideUpdate.as_view(), name='slide_update'),
  ]
  
new_contents: from django.conf.urls import url
  
  from . import views
  
  
  app_name = 'signage'
  
  urlpatterns = [
      url(r'^display/(?P<pk>\d+)/$', views.DisplayDetail.as_view(), name='display'),
      url(r'^display/create/$', views.DisplayCreate.as_view(), name='display_create'),
      url(r'^display/(?P<pk>\d+)/delete/$', views.DisplayDelete.as_view(), name='display_delete'),
      url(r'^display/(?P<pk>\d+)/update/$', views.DisplayUpdate.as_view(), name='display_update'),
      url(r'^displays/$', views.DisplayList.as_view(), name='display_list'),
      url(r'^slide/create/$', views.SlideCreate.as_view(), name='slide_create'),
      url(r'^slide/(?P<pk>\d+)/delete/$', views.SlideDelete.as_view(), name='slide_delete'),
      url(r'^slide/(?P<pk>\d+)/update/$', views.SlideUpdate.as_view(), name='slide_update'),
      url(r'^slides/$', views.SlideList.as_view(), name='slide_list'),
  ]
  
subject: Refactor URL imports and paths