def stderr()

in submitit/core/core.py [0:0]


    def stderr(self) -> tp.Optional[str]:
        """Returns a string with the content of the error log file
        or None if the file does not exist yet
        """
        if self._sub_jobs:
            stderr_ = [sub_job.stderr() for sub_job in self._sub_jobs]
            stderr_not_none: tp.List[str] = [s for s in stderr_ if s is not None]
            if not stderr_not_none:
                return None
            return "\n".join(stderr_not_none)
        return self._get_logs_string("stderr")