--- a/mercurial/transaction.py	Mon Sep 16 15:36:38 2024 +0200
+++ b/mercurial/transaction.py	Mon Sep 16 15:36:44 2024 +0200
@@ -11,6 +11,8 @@
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
+from __future__ import annotations
+
 import errno
 import os