Used wrong parameter name

oarstats.py

@@ -101,7 +101,7 @@ def main():
         owners[job_info["owner"]].add_job(job)
 
     for owner in owners.values():
-        owner.print_info(show_hosts=args.show_hosts)
+        owner.print_info(show_devices=args.show_hosts)
         print()