From a2dd17ce7ede4025b3930649c0df3fd7b3ef28a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Sat, 31 Aug 2019 01:40:47 +0200
Subject: [PATCH] Do not send empty x2Many fields when saving

issue8588
review264091002
---
 proteus/__init__.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/proteus/__init__.py b/proteus/__init__.py
index 24fafa62c4..34a899ff68 100644
--- a/proteus/__init__.py
+++ b/proteus/__init__.py
@@ -893,6 +893,11 @@ class Model(object):
             if definition.get('readonly') and definition['type'] != 'one2many':
                 continue
             values[name] = getattr(self, '__%s_value' % name)
+            # Sending an empty X2Many fields breaks ModelFieldAccess.check
+            if (definition['type'] in {'one2many', 'many2many'}
+                    and not values[name]):
+                breakpoint()
+                del values[name]
         return values
 
     @property