--- a/mercurial/unionrepo.py Sun Oct 06 16:39:13 2019 -0400
+++ b/mercurial/unionrepo.py Sun Oct 06 16:55:18 2019 -0400
@@ -14,6 +14,7 @@
from __future__ import absolute_import
from .i18n import _
+from .pycompat import getattr
from . import (
changelog,