--- a/hgext/factotum.py	Sun Oct 06 14:51:45 2019 -0400
+++ b/hgext/factotum.py	Sun Oct 06 14:58:42 2019 -0400
@@ -49,6 +49,7 @@
 
 import os
 from mercurial.i18n import _
+from mercurial.pycompat import setattr
 from mercurial.utils import procutil
 from mercurial import (
     error,