From 0512626e26d68c293c6bcbd1ef7500e6f20a806e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 3 Sep 2026 15:49:20 +0200
Subject: [PATCH] Use a sentinel as default value for setting attribute only if
 changed

For new instances, we must set also the attribute with value `None` as they may
be tested later.

Closes #15060
(grafted from bfe3756af384f4fce94244761d5f5dd3f62d0ff6)

--HG--
branch : 8.0
---
 modules/web_shop_shopify/common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/web_shop_shopify/common.py b/modules/web_shop_shopify/common.py
index 626da6f2af..2c8d78a374 100644
--- a/modules/web_shop_shopify/common.py
+++ b/modules/web_shop_shopify/common.py
@@ -188,6 +188,6 @@ class IdentifiersMixin(IdentifiersUpdateMixin):
 
 
 def setattr_changed(record, name, value):
-    if getattr(record, name, None) != value:
+    if getattr(record, name, object()) != value:
         setattr(record, name, value)
         return True