diff --git a/tests/test_session_cache.py b/tests/test_session_cache.py
index 92f1599..1484a90 100644
--- a/tests/test_session_cache.py
+++ b/tests/test_session_cache.py
@@ -16,6 +16,7 @@ class SessionCacheTestCase(utils.TestCase):
     ]
 
     def setUp(self):
+        super(SessionCacheTestCase, self).setUp()
         class MockArgs(object):
             timestamp = 0
             is_write = False