diff --git a/glance/tests/functional/db/base.py b/glance/tests/functional/db/base.py
index 2ebeedb9f9..5a2a7268bb 100644
--- a/glance/tests/functional/db/base.py
+++ b/glance/tests/functional/db/base.py
@@ -22,6 +22,7 @@ import uuid
 import mock
 # NOTE(jokke): simplified transition to py3, behaves like py2 xrange
 from six.moves import range
+from six.moves import reduce
 
 from glance.common import exception
 from glance.common import timeutils