diff --git a/cps/admin.py b/cps/admin.py
index f6fd838f..0f553035 100644
--- a/cps/admin.py
+++ b/cps/admin.py
@@ -25,6 +25,7 @@ from __future__ import division, print_function, unicode_literals
 import os
 import json
 import time
+import base64
 from datetime import datetime, timedelta
 try:
     from imp import reload