code: def get_request_handler(self):
          
          assert self.request_handler is not None, \
              'Please define a request_handler ' \
              ' for Endpoint: %s' % self.__class__.__name__
  
          return self.request_handler(self, **self.get_request_handler_params())
docs: Return the Endpoints defined :attr:`Endpoint.request_handler`.
  
          :returns: A instance of the Endpoint specified :class:`RequestHandler`.
          :rtype: :class:`RequestHandler`