--- 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)