--- a/hgext/graphlog.py
+++ b/hgext/graphlog.py
@@ -1,7 +1,7 @@
 # ASCII graph log extension for Mercurial
 #
 # Copyright 2007 Joel Rosdahl <joel@rosdahl.net>
-# 
+#
 # This software may be used and distributed according to the terms of
 # the GNU General Public License, incorporated herein by reference.