old_contents: from django.urls import path
  from django.conf.urls import url, include
  from django.views.decorators.cache import cache_page
  
  from .models import WebTweet
  from .serializers import WebTweetSerializer
  from rest_framework import routers, viewsets
  
  from . import views
  
  app_name = 'display'
  
  # ViewSets define the view behavior.
  class WebTweetViewSet(viewsets.ModelViewSet):
      queryset = WebTweet.objects.all()
      serializer_class = WebTweetSerializer
  
  # Routers provide an easy way of automatically determining the URL conf.
  router = routers.DefaultRouter()
  router.register(r'webtweet', WebTweetViewSet)
  
  urlpatterns = [
      url(r'^', include(router.urls)),
      url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
      path('status/<int:statusid>/', views.Status.as_view()),
      path('status/last/', views.Last.as_view(), name='last'),
      path('status/top/', views.Top.as_view(), name='top'),
      path('status/help/', views.Help.as_view(), name='help'),
      path('status/all/', views.All.as_view(), name= 'all'),
      path('status/covid19/', views.Covid19.as_view(), name= 'covid19'),
  ]
new_contents: from django.urls import path
  from django.conf.urls import url, include
  from django.views.decorators.cache import cache_page
  
  from .models import WebTweet
  from .serializers import WebTweetSerializer
  from rest_framework import routers, viewsets
  
  from . import views
  
  app_name = 'display'
  
  # ViewSets define the view behavior.
  class WebTweetViewSet(viewsets.ModelViewSet):
      queryset = WebTweet.objects.all()
      serializer_class = WebTweetSerializer
  
  # Routers provide an easy way of automatically determining the URL conf.
  router = routers.DefaultRouter()
  router.register(r'webtweet', WebTweetViewSet)
  
  urlpatterns = [
      url(r'^', include(router.urls)),
      url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
      path('status/<int:statusid>/', views.Status.as_view()),
  ]
subject: delete unused urls