From a1595cfd862eb4cfe0da22b9a01e4e79512ab604 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 7 Sep 2019 23:45:08 +0200
Subject: [PATCH] Prevent assign unknown attributes on Model

by adding __slots__ on PoolMeta

issue8567
review254091002
---
 stock.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stock.py b/stock.py
index 07b25c1e39..deee466243 100644
--- a/stock.py
+++ b/stock.py
@@ -178,6 +178,7 @@ class Move(metaclass=PoolMeta):
 
 
 class PackageMixin(object):
+    __slots__ = ()
     packages = fields.One2Many('stock.package', 'shipment', 'Packages',
         states={
             'readonly': Eval('state').in_(['packed', 'done', 'cancel']),