Merge pull request #503 from ExaWorks/remove_redundant_check

We already check for exec not being null earlier.

Author: hategan

src/psij/executors/batch/batch_scheduler_executor.py

@@ -668,8 +668,7 @@ def _poll(self) -> None:
             jobs_copy = dict(self._jobs)
         logger.info('Polling for %s jobs', len(jobs_copy))
         try:
-            if exec:
-                out = exec._run_command(exec.get_status_command(jobs_copy.keys()))
+            out = exec._run_command(exec.get_status_command(jobs_copy.keys()))
         except subprocess.CalledProcessError as ex:
             out = ex.output
             exit_code = ex.returncode