diff -r 55d132525155 -r 642e31cb55f0 mercurial/verify.py
--- a/mercurial/verify.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/verify.py	Mon Feb 21 13:08:28 2022 -0700
@@ -54,7 +54,7 @@
 )
 
 
-class verifier(object):
+class verifier:
     def __init__(self, repo, level=None):
         self.repo = repo.unfiltered()
         self.ui = repo.ui