From 181156bf6623205936fa1e2b288e253c0d4eab9e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 9 Mar 2018 19:41:13 +0100
Subject: [PATCH] Prevent to compare datetime.date to NoneType

This may happen if stock_date_end is not set in the context.
---
 location.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/location.py b/location.py
index eddb1c0d33..ecc232e2f9 100644
--- a/location.py
+++ b/location.py
@@ -318,7 +318,8 @@ class Location(ModelSQL, ModelView):
 
         context = {}
         if (name == 'quantity'
-                and trans_context.get('stock_date_end') > Date_.today()):
+                and (trans_context.get('stock_date_end', datetime.date.max)
+                    > Date_.today())):
             context['stock_date_end'] = Date_.today()
 
         if name == 'forecast_quantity':