diff -r 01818a59f463 -r 22f97aa5e8b2 hgext/git/manifest.py
--- a/hgext/git/manifest.py	Tue Dec 10 21:55:13 2024 -0500
+++ b/hgext/git/manifest.py	Tue Oct 22 22:44:32 2024 -0400
@@ -279,8 +279,7 @@
         return self.read()[path]
 
 
-@interfaceutil.implementer(repository.imanifestrevisionwritable)
-class memgittreemanifestctx:
+class memgittreemanifestctx(repository.imanifestrevisionwritable):
     def __init__(self, repo, tree):
         self._repo = repo
         self._tree = tree