From 495801aff947957b01ffa1daeab698bce02ffa99 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 24 Nov 2022 23:04:58 +0100
Subject: [PATCH] Allow empty timedelta

issue11869
---
 marketing_automation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/marketing_automation.py b/marketing_automation.py
index 5bda7670d4..6d92b1dec4 100644
--- a/marketing_automation.py
+++ b/marketing_automation.py
@@ -303,7 +303,7 @@ class Activity(ModelSQL, ModelView):
 
     delay = fields.TimeDelta(
         "Delay",
-        domain=[
+        domain=['OR',
             ('delay', '=', None),
             ('delay', '>=', TimeDelta()),
             ],