--- a/hgext/shelve.py	Thu May 19 00:20:38 2016 +0900
+++ b/hgext/shelve.py	Sat May 14 14:03:12 2016 +0900
@@ -25,6 +25,8 @@
 import collections
 import errno
 import itertools
+
+from mercurial.i18n import _
 from mercurial import (
     bundle2,
     bundlerepo,
@@ -45,7 +47,6 @@
     templatefilters,
     util,
 )
-from mercurial.i18n import _
 
 from . import (
     rebase,