From 1a09c72be64cfae7169dd18ec370085c6cd9d98d Mon Sep 17 00:00:00 2001
From: Sergi Almacellas Abellana <sergi@koolpi.com>
Date: Fri, 22 Feb 2019 19:50:07 +0100
Subject: [PATCH] Exclude lines without quantity when computing carrier context

issue8108
review56601002
---
 sale.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sale.py b/sale.py
index 0c09caf576..99745564c1 100644
--- a/sale.py
+++ b/sale.py
@@ -28,7 +28,7 @@ class Sale(metaclass=PoolMeta):
         weights = []
         context['weights'] = weights
 
-        lines = [l for l in self.lines or [] if l.quantity > 0]
+        lines = [l for l in self.lines or [] if l.quantity and l.quantity > 0]
         keyfunc = partial(self._group_parcel_key, lines)
         lines = sorted(lines, key=keyfunc)