diff --git a/tests/test_oauth2client_clientsecrets.py b/tests/test_oauth2client_clientsecrets.py
index f1aaf4d..20cdf14 100644
--- a/tests/test_oauth2client_clientsecrets.py
+++ b/tests/test_oauth2client_clientsecrets.py
@@ -21,6 +21,7 @@ import os
 import unittest
 import StringIO
 
+import httplib2
 
 from oauth2client import clientsecrets