From dd23787d27db751faf660d21945294ffac637926 Mon Sep 17 00:00:00 2001 From: Helmut Merz Date: Mon, 23 Mar 2020 11:20:45 +0100 Subject: [PATCH] avoid error when list value is None --- schema/field.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/schema/field.py b/schema/field.py index 474357d..9f2ad38 100644 --- a/schema/field.py +++ b/schema/field.py @@ -70,10 +70,14 @@ class BaseRelationFieldInstance(object): class RelationSetFieldInstance(ListFieldInstance, BaseRelationFieldInstance): def marshall(self, value): + if value is None: + return [] return [dict(title=v.title, uid=util.getUidForObject(baseObject(v))) for v in value] def display(self, value): + if value is None: + return [] nodeView = self.clientInstance.view.nodeView return [dict(url=nodeView.getUrlForTarget(baseObject(v)), label=v.title) for v in value]