From 2e37bf785217b991cc1acfa23034f04bd6ed4ad8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sun, 27 Dec 2015 20:03:59 +0100
Subject: [PATCH] Don't return changed many2one if the id is None

If the id is None, it is a temporary record which should not be considered as a
value change.

issue5190
review20601002
---
 trytond/model/modelview.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/trytond/model/modelview.py b/trytond/model/modelview.py
index d2e42e53dc..f9769392cc 100644
--- a/trytond/model/modelview.py
+++ b/trytond/model/modelview.py
@@ -693,6 +693,9 @@ class ModelView(Model):
                 if value:
                     if isinstance(value, ModelStorage):
                         changed['%s.rec_name' % fname] = value.rec_name
+                    if value.id is None:
+                        # Don't consider temporary instance as a change
+                        continue
                     if field._type == 'reference':
                         value = str(value)
                     else: