From 6bd7ee4eab73cbf3c1f793ed81ca6c8ca4a3cd1b Mon Sep 17 00:00:00 2001
From: Valentina Mukhamedzhanova <vmukhame@redhat.com>
Date: Sat, 25 Jul 2015 17:16:27 +0200
Subject: Made Options.get_base_chain() always return a list.

---
 django/db/models/sql/query.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'django/db/models/sql')

diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 40ec57f9de..e6af36b4e9 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -950,7 +950,7 @@ class Query(object):
         if model in seen:
             return seen[model]
         chain = opts.get_base_chain(model)
-        if chain is None:
+        if not chain:
             return alias
         curr_opts = opts
         for int_model in chain:
-- 
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