--- 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