From 63deb9e352144aa676b8e553bc986e65fd4afdb3 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
---
 product.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/product.py b/product.py
index 5a38a1488e..fe7c5a606d 100644
--- a/product.py
+++ b/product.py
@@ -10,6 +10,7 @@ __all__ = ['ClassificationMixin', 'classification_tree',
 
 
 class ClassificationMixin(DeactivableMixin):
+    __slots__ = ()
     name = fields.Char('Name', translate=True, required=True)
     selectable = fields.Boolean('Selectable', select=True)
 
@@ -22,6 +23,7 @@ def classification_tree(name):
     'Return a ClassificationMixin with tree structure'
 
     class ClassificationTreeMixin(tree(separator=' / '), ClassificationMixin):
+        __slots__ = ()
         parent = fields.Many2One(name, 'Parent', select=True)
         childs = fields.One2Many(name, 'parent', 'Children')