From 14e3f34ce2e2e99e91fcee4704430d78ba67f7af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 23 Sep 2021 23:12:35 +0200
Subject: [PATCH] Ensure that objects in the Pool has __slots__

issue10719
review375361002
---
 stock.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stock.py b/stock.py
index ff6bd785dc..0e60dca5dc 100644
--- a/stock.py
+++ b/stock.py
@@ -98,6 +98,7 @@ class Package(metaclass=PoolMeta):
 
 
 class ShippingUPSMixin:
+    __slots__ = ()
 
     def validate_packing_ups(self):
         warehouse = self.shipping_warehouse