--- a/contrib/undumprevlog Sun Feb 20 15:18:15 2022 -0700
+++ b/contrib/undumprevlog Thu Mar 03 17:34:00 2022 +0100
@@ -3,7 +3,6 @@
# $ hg init
# $ undumprevlog < repo.dump
-from __future__ import absolute_import, print_function
import sys
from mercurial.node import bin