101     def _ShouldRetry(exception, retry_http_codes,  argument
115         if isinstance(exception, other_retriable_errors):
118         if isinstance(exception, errors.HttpError):
119             if exception.code in retry_http_codes:
122                          exception.code, retry_http_codes, str(exception))
125                      type(exception),
127                      str(exception))
131     def _TranslateError(exception):  argument
144         if isinstance(exception, gerrors.HttpError):
145             exception = errors.HttpError.CreateFromHttpError(exception)
146             if exception.code == errors.HTTP_NOT_FOUND_CODE:
147                 exception = errors.ResourceNotFoundError(
148                     exception.code, str(exception))
149         return exception
245         def _CallBack(request_id, response, exception):  argument
246             results[request_id] = (response, self._TranslateError(exception))