diff -r 55d132525155 -r 642e31cb55f0 mercurial/bundlecaches.py
--- a/mercurial/bundlecaches.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/bundlecaches.py	Mon Feb 21 13:08:28 2022 -0700
@@ -21,7 +21,7 @@
 
 
 @attr.s
-class bundlespec(object):
+class bundlespec:
     compression = attr.ib()
     wirecompression = attr.ib()
     version = attr.ib()
@@ -343,7 +343,7 @@
     return newentries
 
 
-class clonebundleentry(object):
+class clonebundleentry:
     """Represents an item in a clone bundles manifest.
 
     This rich class is needed to support sorting since sorted() in Python 3