--- a/tests/test-duplicateoptions.py	Sun Apr 03 16:34:55 2016 +0300
+++ b/tests/test-duplicateoptions.py	Sun Apr 03 16:56:15 2016 +0300
@@ -1,5 +1,10 @@
+from __future__ import absolute_import
 import os
-from mercurial import ui, commands, extensions
+from mercurial import (
+    commands,
+    extensions,
+    ui,
+)
 
 ignore = set(['highlight', 'win32text', 'factotum'])