diff -r 55d132525155 -r 642e31cb55f0 mercurial/state.py
--- a/mercurial/state.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/state.py	Mon Feb 21 13:08:28 2022 -0700
@@ -39,7 +39,7 @@
         assert t
 
 
-class cmdstate(object):
+class cmdstate:
     """a wrapper class to store the state of commands like `rebase`, `graft`,
     `histedit`, `shelve` etc. Extensions can also use this to write state files.
 
@@ -102,7 +102,7 @@
         return self._repo.vfs.exists(self.fname)
 
 
-class _statecheck(object):
+class _statecheck:
     """a utility class that deals with multistep operations like graft,
     histedit, bisect, update etc and check whether such commands
     are in an unfinished conditition or not and return appropriate message