--- a/mercurial/dagop.py Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/dagop.py Mon Feb 21 13:08:28 2022 -0700
@@ -271,7 +271,7 @@
break
-class subsetparentswalker(object):
+class subsetparentswalker:
r"""Scan adjacent ancestors in the graph given by the subset
This computes parent-child relations in the sub graph filtered by
@@ -647,7 +647,7 @@
@attr.s(slots=True, frozen=True)
-class annotateline(object):
+class annotateline:
fctx = attr.ib()
lineno = attr.ib()
# Whether this annotation was the result of a skip-annotate.
@@ -656,7 +656,7 @@
@attr.s(slots=True, frozen=True)
-class _annotatedfile(object):
+class _annotatedfile:
# list indexed by lineno - 1
fctxs = attr.ib()
linenos = attr.ib()