From c03dfd0aa185cf7f79766de56582ed98307b01d3 Mon Sep 17 00:00:00 2001
From: "Bruno P. Kinoshita" <kinow@users.noreply.github.com>
Date: Tue, 20 Sep 2022 12:11:09 +1200
Subject: [PATCH] Fix running autosubmit with no args

---
 autosubmit/autosubmit.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/autosubmit/autosubmit.py b/autosubmit/autosubmit.py
index cec18bced..b9c210f42 100644
--- a/autosubmit/autosubmit.py
+++ b/autosubmit/autosubmit.py
@@ -596,6 +596,9 @@ class Autosubmit:
             subparsers.add_parser('changelog', description='show changelog')
             args = parser.parse_args()
 
+            if args.command is None:
+                parser.print_help()
+                parser.exit()
 
         except Exception as e:
             if type(e) is SystemExit: #todo check
-- 
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