empty squeue output -> no jobs, not a parse error

lib/python/site-packages/slurmmon/jobs.py

@@ -270,19 +270,20 @@ def get_jobs_running_on_host(hostname):
 	stdout = util.runsh(shv).strip()
 	for line in stdout.split('\n'):
 		line = line.strip()
-		try:
-			JobID, User, NCPUS, NNodes = line.split()
-
-			j = Job()
-			j['JobID'] = JobID
-			j['User'] = User
-			j['NCPUS'] = NCPUS
-			j['NNodes'] = NNodes
+		if line!='':
+			try:
+				JobID, User, NCPUS, NNodes = line.split()
 
-			yield j
+				j = Job()
+				j['JobID'] = JobID
+				j['User'] = User
+				j['NCPUS'] = NCPUS
+				j['NNodes'] = NNodes
 
-		except Exception, e:
-			sys.stderr.write("*** ERROR *** unable to parse squeue job text [%r]: %s\n" % (line, e))
+				yield j
+
+			except Exception, e:
+				sys.stderr.write("*** ERROR *** unable to parse squeue job text [%r]: %s\n" % (line, e))
 
 
 #--- utilities