code: def from_query(self, param_name, field):
          
  
          return self.__from_source(param_name, field, lambda: request.args, 'query')
docs: A decorator that converts a query string into a function parameter based on the specified field.
  
          :param param_name: The parameter which receives the argument.
          :param Field field: The field class or instance used to deserialize the request query string to a Python object.
          :return: A function