def return_code(self, job_id):
        return_code_str = self._read_job_file(job_id, JOB_FILE_RETURN_CODE, default=PULSAR_UNKNOWN_RETURN_CODE)
        return int(return_code_str) if return_code_str or return_code_str != PULSAR_UNKNOWN_RETURN_CODE else return_code_str
dataset/ETHPy150Open galaxyproject/pulsar/pulsar/managers/base/directory.py/DirectoryBaseManager.return_code/operator `and` -> `or`