Merge pull request #490 from ExaWorks/pbs_comment_fix

The "comment" field is not necessarily present for all states.

Author: hategan

src/psij/executors/batch/pbs_base.py

@@ -138,7 +138,10 @@ def parse_status_output(self, exit_code: int, out: str) -> Dict[str, JobStatus]:
                 elif 'Exit_status' in job_report and job_report['Exit_status'] != 0:
                     state = JobState.FAILED
 
-            msg = job_report["comment"]
+            try:
+                msg = job_report['comment']
+            except KeyError:
+                msg = None
             r[native_id] = JobStatus(state, message=msg)
 
         return r