--- a/hgext/git/manifest.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/hgext/git/manifest.py	Mon Feb 21 13:08:28 2022 -0700
@@ -15,7 +15,7 @@
 
 
 @interfaceutil.implementer(repository.imanifestdict)
-class gittreemanifest(object):
+class gittreemanifest:
     """Expose git trees (and optionally a builder's overlay) as a manifestdict.
 
     Very similar to mercurial.manifest.treemanifest.
@@ -258,7 +258,7 @@
 
 
 @interfaceutil.implementer(repository.imanifestrevisionstored)
-class gittreemanifestctx(object):
+class gittreemanifestctx:
     def __init__(self, repo, gittree):
         self._repo = repo
         self._tree = gittree
@@ -279,7 +279,7 @@
 
 
 @interfaceutil.implementer(repository.imanifestrevisionwritable)
-class memgittreemanifestctx(object):
+class memgittreemanifestctx:
     def __init__(self, repo, tree):
         self._repo = repo
         self._tree = tree