From 37a0c110e2982360033510894b09df2394fac985 Mon Sep 17 00:00:00 2001
From: Adrian Holovaty <adrian@holovaty.com>
Date: Sat, 26 Nov 2005 06:42:28 +0000
Subject: [PATCH] Fixed #913 -- Made more helpful error for list_filter error.
Thanks, Tom Tobin
git-svn-id: http://code.djangoproject.com/svn/django/trunk@1438 bcc190cf-cafb-0310-a4f2-bffc1f526a37
---
django/contrib/admin/views/main.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/django/contrib/admin/views/main.py b/django/contrib/admin/views/main.py
index f62fbbc01d..0c1baccc65 100644
--- a/django/contrib/admin/views/main.py
+++ b/django/contrib/admin/views/main.py
@@ -73,7 +73,7 @@ class ChangeList(object):
for field_name in self.lookup_opts.admin.list_filter]
for f in filter_fields:
spec = FilterSpec.create(f, request, self.params)
- if spec.has_output():
+ if spec and spec.has_output():
self.filter_specs.append(spec)
self.has_filters = bool(self.filter_specs)