diff -r 55d132525155 -r 642e31cb55f0 mercurial/bundlerepo.py
--- a/mercurial/bundlerepo.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/bundlerepo.py	Mon Feb 21 13:08:28 2022 -0700
@@ -270,7 +270,7 @@
     return filespos
 
 
-class bundlerepository(object):
+class bundlerepository:
     """A repository instance that is a union of a local repo and a bundle.
 
     Instances represent a read-only repository composed of a local repository
@@ -550,7 +550,7 @@
     return repo
 
 
-class bundletransactionmanager(object):
+class bundletransactionmanager:
     def transaction(self):
         return None