diff -r e1f55b50edcb -r 74e6de99ce7f tests/hgweberror.py
--- a/tests/hgweberror.py	Sun Dec 06 22:27:18 2015 -0800
+++ b/tests/hgweberror.py	Sun Dec 06 22:27:53 2015 -0800
@@ -1,6 +1,10 @@
 # A dummy extension that installs an hgweb command that throws an Exception.
 
-from mercurial.hgweb import webcommands
+from __future__ import absolute_import
+
+from mercurial.hgweb import (
+    webcommands,
+)
 
 def raiseerror(web, req, tmpl):
     '''Dummy web command that raises an uncaught Exception.'''