--- a/mercurial/setdiscovery.py	Sun Feb 20 15:18:15 2022 -0700
+++ b/mercurial/setdiscovery.py	Thu Mar 03 17:34:00 2022 +0100
@@ -40,7 +40,6 @@
 classified with it (since all ancestors or descendants will be marked as well).
 """
 
-from __future__ import absolute_import
 
 import collections
 import random