Fetch statistics about a single job

        :rtype: dict

def stats_job(self, job_id):
        """Fetch statistics about a single job

        :rtype: dict
        """
        with self._sock_ctx() as socket:
            if hasattr(job_id, 'job_id'):
                job_id = job_id.job_id
            self._send_message('stats-job {0}'.format(job_id), socket)
            body = self._receive_data_with_prefix(b'OK', socket)
            job_status = yaml_load(body)
            return job_status