--- a/hgext/purge.py	Thu May 19 00:20:38 2016 +0900
+++ b/hgext/purge.py	Sat May 14 14:03:12 2016 +0900
@@ -27,6 +27,7 @@
 
 import os
 
+from mercurial.i18n import _
 from mercurial import (
     cmdutil,
     commands,
@@ -34,7 +35,6 @@
     scmutil,
     util,
 )
-from mercurial.i18n import _
 
 cmdtable = {}
 command = cmdutil.command(cmdtable)