--- a/mercurial/policy.py Sun Oct 06 16:39:13 2019 -0400
+++ b/mercurial/policy.py Sun Oct 06 16:55:18 2019 -0400
@@ -10,6 +10,8 @@
import os
import sys
+from .pycompat import getattr
+
# Rules for how modules can be loaded. Values are:
#
# c - require C extensions