old_contents: from django.conf.urls import url, include
  from webhook.base import WebhookBase
  
  
  class WebhookView(WebhookBase):
  
      def process_webhook(self, data, meta):
          pass
  
  
  urlpatterns = [
      url(r'^webhook-receiver', WebhookView.as_view(), name='web_hook'),
  ]
  
new_contents: from django.conf.urls import url, include
  from webhook.base import WebhookBase
  
  
  class WebhookView(WebhookBase):
  
      def process_webhook(self, data):
          pass
  
  
  urlpatterns = [
      url(r'^webhook-receiver', WebhookView.as_view(), name='web_hook'),
  ]
  
subject: Update urls.py