--- a/mercurial/py3kcompat.py	Sat May 10 15:22:04 2014 -0700
+++ b/mercurial/py3kcompat.py	Tue May 13 15:22:36 2014 -0500
@@ -5,7 +5,7 @@
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
-import os, builtins
+import builtins
 
 from numbers import Number