From 3242d3258ca1db48bfd7b1564170fb5a3ff55257 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 20 Jan 2020 11:08:53 +0100
Subject: [PATCH] Iterate over a copy of keys in products_by_location

As the quantities dictionary may change during the iteration, we must loop over
a copy of the keys.

issue8978
review260771002
---
 product.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/product.py b/product.py
index e1312fc270..1d1d448c17 100644
--- a/product.py
+++ b/product.py
@@ -203,7 +203,7 @@ class Product(StockMixin, object, metaclass=PoolMeta):
 
         if wh_to_add:
             for wh, storage in wh_to_add.items():
-                for key in quantities:
+                for key in list(quantities.keys()):
                     if key[0] == storage:
                         quantities[(wh,) + key[1:]] = quantities[key]
                         if storage in storage_to_remove: