diff -r c2e284cee333 -r eef9a2d67051 mercurial/streamclone.py
--- a/mercurial/streamclone.py	Sun Oct 06 13:17:19 2019 -0400
+++ b/mercurial/streamclone.py	Sun Oct 06 13:28:56 2019 -0400
@@ -12,6 +12,7 @@
 import struct
 
 from .i18n import _
+from .pycompat import open
 from .interfaces import repository
 from . import (
     cacheutil,