Improve exception propagation

    def execute(self, command, url=None, op_input=None, timeout=-1,
                check_params=True, void_op=False, extra_headers=None,
                file_out=None, **params):
        ...
        try:
            resp = self.opener.open(req, timeout=timeout)
        except Exception as e:
            log_details = self._log_details(e)
            if isinstance(log_details, tuple):
                _, _, _, error = log_details
                if error and error.startswith("Unable to find batch"):
                    raise InvalidBatchException()
            raise e
       ...