diff -r 55d132525155 -r 642e31cb55f0 mercurial/store.py
--- a/mercurial/store.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/store.py	Mon Feb 21 13:08:28 2022 -0700
@@ -455,7 +455,7 @@
 FILETYPE_OTHER = FILEFLAGS_OTHER
 
 
-class basicstore(object):
+class basicstore:
     '''base class for local repository stores'''
 
     def __init__(self, path, vfstype):
@@ -601,7 +601,7 @@
         return [b'requires', b'00changelog.i'] + [b'store/' + f for f in _data]
 
 
-class fncache(object):
+class fncache:
     # the filename used to be partially encoded
     # hence the encodedir/decodedir dance
     def __init__(self, vfs):