From fe534819534396cfb7a203aabc0a1379b0df8c74 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Thu, 19 Mar 2026 10:38:52 +0100
Subject: [PATCH] Wrap class when filling the pool

Closes #14695
---
 trytond/trytond/pool.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/trytond/trytond/pool.py b/trytond/trytond/pool.py
index 5b0b7932cc..6507ca9232 100644
--- a/trytond/trytond/pool.py
+++ b/trytond/trytond/pool.py
@@ -218,11 +218,10 @@ class Pool(object):
                     cls = resolve(qualname)
                     assert issubclass(cls.__class__, PoolMeta)
                 try:
-                    previous_cls = self.get(cls.__name__, type=type_)
-                    cls = type(
-                        cls.__name__, (cls, previous_cls), {'__slots__': ()})
+                    base_classes = (cls, self.get(cls.__name__, type=type_))
                 except KeyError:
-                    pass
+                    base_classes = (cls,)
+                cls = type(cls.__name__, base_classes, {'__slots__': ()})
                 assert issubclass(cls, PoolBase), (
                     f"{cls} is not a subclass of {PoolBase}")
                 self.add(cls, type=type_)