From d797996d13a871328bada34aef8ad25534e0058f Mon Sep 17 00:00:00 2001
From: Carl Meyer <carl@oddbird.net>
Date: Wed, 28 Jan 2015 12:17:34 -0700
Subject: [PATCH] Fix Python 2.6 compatibility.

---
 model_utils/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/model_utils/models.py b/model_utils/models.py
index 9acc077..f343dfb 100644
--- a/model_utils/models.py
+++ b/model_utils/models.py
@@ -94,4 +94,4 @@ models.signals.class_prepared.connect(add_timeframed_query_manager)
 
 
 def _field_exists(model_class, field_name):
-    return field_name in {f.attname for f in model_class._meta.local_fields}
+    return field_name in [f.attname for f in model_class._meta.local_fields]