From f249aba6efcd270d88f196d9ec2be67ed1e086eb Mon Sep 17 00:00:00 2001 From: Matt Westcott Date: Tue, 1 Mar 2016 01:08:49 +0000 Subject: [PATCH] fix flake8 error --- wagtail/wagtailadmin/views/collections.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/wagtail/wagtailadmin/views/collections.py b/wagtail/wagtailadmin/views/collections.py index e08244dbbb..feff7eedcb 100644 --- a/wagtail/wagtailadmin/views/collections.py +++ b/wagtail/wagtailadmin/views/collections.py @@ -80,9 +80,12 @@ class Delete(DeleteView): hook(self.instance) for hook in hooks.get_hooks('describe_collection_contents') ] + # filter out any hook responses that report that the collection is empty # (by returning None, or a dict with 'count': 0) - is_nonempty = lambda item_type: item_type and item_type['count'] > 0 + def is_nonempty(item_type): + return item_type and item_type['count'] > 0 + return list(filter(is_nonempty, collection_contents)) def get_context(self):