diff -r 008d37c4d783 -r 3b88a7fa97d8 mercurial/pure/bdiff.py
--- a/mercurial/pure/bdiff.py	Sat Aug 13 12:08:23 2016 +0900
+++ b/mercurial/pure/bdiff.py	Sat Aug 13 12:12:50 2016 +0900
@@ -11,7 +11,7 @@
 import re
 import struct
 
-from . import policy
+from .. import policy
 policynocffi = policy.policynocffi
 modulepolicy = policy.policy