--- a/mercurial/streamclone.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/streamclone.py	Mon Feb 21 13:08:28 2022 -0700
@@ -516,7 +516,7 @@
     nodemap.post_stream_cleanup(repo)
 
 
-class streamcloneapplier(object):
+class streamcloneapplier:
     """Class to manage applying streaming clone bundles.
 
     We need to wrap ``applybundlev1()`` in a dedicated type to enable bundle