Run the given job without scheduling it.
        :param id: the identifier of the job.
        :param str jobstore: alias of the job store that contains the job
        :return:

def run_job(self, id, jobstore=None):
        """
        Run the given job without scheduling it.
        :param id: the identifier of the job.
        :param str jobstore: alias of the job store that contains the job
        :return:
        """
        job = self._scheduler.get_job(id, jobstore)

        if not job:
            raise JobLookupError(id)

        job.func(*job.args, **job.kwargs)