diff -r d7174b43f3e6 -r e70f93318c26 mercurial/manifest.py
--- a/mercurial/manifest.py	Tue Dec 17 19:29:08 2024 -0500
+++ b/mercurial/manifest.py	Tue Dec 17 19:32:31 2024 -0500
@@ -850,7 +850,7 @@
 _noop = lambda s: None
 
 
-class treemanifest:  # (repository.imanifestdict)
+class treemanifest(repository.imanifestdict):
     _dir: bytes
     _dirs: Dict[bytes, treemanifest]
     _dirty: bool