new_contents: from django.conf.urls import patterns, url, include
  from rest_framework import routers
  
  from .views import HookView
  
  router = routers.DefaultRouter()
  router.register(r'', HookView(),'hook')
  
  urlpatterns = patterns('',
  	url(r'^', HookView.as_view()),
  )
  
subject: Add missing urls.py file