Compatibility fix for python version < 3.6

oargen.py

@@ -69,9 +69,9 @@ def main():
         command.append("-n")
         command.append(args.name)
         command.append("-O")
-        command.append(f"{args.name}.%jobid%.stdout")
+        command.append("{}.%jobid%.stdout".format(args.name))
         command.append("-E")
-        command.append(f"{args.name}.%jobid%.stderr")
+        command.append("{}.%jobid%.stderr".format(args.name))
 
     if args.besteffort:
         command.extend(["-t", "besteffort", "-t", "idempotent"])