diff --git a/wiki/auth/cas.py b/wiki/auth/cas.py
index b7c409ca..d90ca40f 100644
--- a/wiki/auth/cas.py
+++ b/wiki/auth/cas.py
@@ -10,7 +10,8 @@
 
 import sys
 import os
-import time, re
+import time
+import re
 import urlparse
 import urllib, urllib2
 from lxml import etree