--- a/mercurial/revlogutils/concurrency_checker.py Mon Sep 16 15:36:44 2024 +0200
+++ b/mercurial/revlogutils/concurrency_checker.py Thu Sep 12 16:27:58 2024 -0400
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
from ..i18n import _
from .. import error