diff -r 55d132525155 -r 642e31cb55f0 mercurial/dirstateutils/v2.py
--- a/mercurial/dirstateutils/v2.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/dirstateutils/v2.py	Mon Feb 21 13:08:28 2022 -0700
@@ -125,7 +125,7 @@
 
 
 @attr.s
-class Node(object):
+class Node:
     path = attr.ib()
     entry = attr.ib()
     parent = attr.ib(default=None)