Merge pull request #430 from pikers/catch_notification_daemon_error

Catch notification daemon error

piker/ui/_notify.py

@@ -94,5 +94,11 @@ async def notify_from_ems_status_msg(
             # pack in a broker independent way?
             f"'{msg.pformat()}'",
         ],           
+        capture_stdout=True,
+        capture_stderr=True,
+        check=False,
     )
+    if result.returncode != 0:
+        log.warn(f'No notification daemon installed stderr: {result.stderr}')
+                      
     log.runtime(result)