From b2db72c9d132174a0b3c4eae43997e970a66497c Mon Sep 17 00:00:00 2001
From: Christophe Simonis <chs@odoo.com>
Date: Thu, 21 Feb 2019 17:03:27 +0000
Subject: [PATCH] [FIX] core: handle multiple m2o levels in Form

closes odoo/odoo#31335
---
 odoo/tests/common.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/odoo/tests/common.py b/odoo/tests/common.py
index d6ba11d17ac..447c6ace2f0 100644
--- a/odoo/tests/common.py
+++ b/odoo/tests/common.py
@@ -1435,7 +1435,7 @@ class Form(object):
                 return []
 
             v = []
-            c = {t[1]: t[2] for t in current if t[0] == 1}
+            c = {t[1]: t[2] for t in current if t[0] == 1} if current else {}
             # which view should this be???
             subfields = descr['views']['edition']['fields']
             for command in value: