--- a/mercurial/revlog.py	Sun Jan 05 22:26:16 2025 -0500
+++ b/mercurial/revlog.py	Mon Jan 06 00:30:55 2025 -0500
@@ -1360,7 +1360,7 @@
     """
 
     _flagserrorclass = error.RevlogError
-    _inner: "_InnerRevlog"
+    _inner: _InnerRevlog
 
     opener: vfsmod.vfs