--- a/contrib/synthrepo.py	Thu May 19 00:20:38 2016 +0900
+++ b/contrib/synthrepo.py	Sat May 14 14:03:12 2016 +0900
@@ -45,6 +45,13 @@
 import random
 import sys
 import time
+
+from mercurial.i18n import _
+from mercurial.node import (
+    nullid,
+    nullrev,
+    short,
+)
 from mercurial import (
     cmdutil,
     context,
@@ -54,12 +61,6 @@
     scmutil,
     util,
 )
-from mercurial.i18n import _
-from mercurial.node import (
-    nullid,
-    nullrev,
-    short,
-)
 
 # Note for extension authors: ONLY specify testedwith = 'internal' for
 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should