--- a/tests/mockblackbox.py	Sat Apr 16 05:29:29 2016 +0300
+++ b/tests/mockblackbox.py	Sat Apr 16 05:30:32 2016 +0300
@@ -1,4 +1,7 @@
-from mercurial import util
+from __future__ import absolute_import
+from mercurial import (
+    util,
+)
 
 def makedate():
     return 0, 0