From 03e57622254e76dc52eb60ad050699dcc79a4aac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 24 Oct 2020 13:12:01 +0200
Subject: [PATCH] Ensure inserted record has a valid position

issue9731
review298881002
---
 tryton/gui/window/view_form/model/group.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tryton/gui/window/view_form/model/group.py b/tryton/gui/window/view_form/model/group.py
index 379ecd4f2d..8cfcad9f6e 100644
--- a/tryton/gui/window/view_form/model/group.py
+++ b/tryton/gui/window/view_form/model/group.py
@@ -91,6 +91,7 @@ class Group(SignalEvent, list):
 
     def insert(self, pos, record):
         assert record.group is self
+        pos = min(pos, len(self))
         if pos >= 1:
             self.__getitem__(pos - 1).next[id(self)] = record
         if pos < self.__len__():