From 20afd4d74860a88d0984f1d66489fdaf30becf52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sun, 27 Nov 2016 22:16:45 +0100
Subject: [PATCH] Manage None as value of field in on_change method

issue6069
review27851002
---
 complaint.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/complaint.py b/complaint.py
index 492fe51bd3..4a72b6aa10 100644
--- a/complaint.py
+++ b/complaint.py
@@ -364,7 +364,7 @@ class Action(ModelSQL, ModelView):
 
     @fields.depends('complaint')
     def on_change_with_unit(self, name=None):
-        if self.complaint.origin_model == 'sale.line':
+        if self.complaint and self.complaint.origin_model == 'sale.line':
             return self.complaint.origin.unit.id
 
     @fields.depends('complaint')