  
          self.title = title
          self.endpoints = self.get_api_endpoints(patterns)
  
      def get_schema(self, request=None):
          if request is None:
 
</s> remove                 patterns=schema_urls
 </s> add                 url=self.schema_url,
                patterns=api_urls
        self.url = url
  
          self.title = title
        self.url = url
          self.endpoints = self.get_api_endpoints(patterns)
  
      def get_schema(self, request=None):
          if request is None:
keep add keep keep keep keep
 Added url and schema_url arguments (#4321) 
rest_framework/schemas.py