code: def process_response(self, req, resp, resource):
          
          if isinstance(resp.body, dict):
              try:
                  resp.body = json.dumps(resp.body)
              except(nameError):
                  resp.status = falcon.HTTP_500
docs: Post-processing of the response (after routing).
  
          Args:
              req: Request object.
              resp: Response object.
              resource: Resource object to which the request was
                  routed. May be None if no route was found
                  for the request.