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-rw-r--r--sphinx/extension.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/extension.py b/sphinx/extension.py
index 2a984f5b4..15ea8e027 100644
--- a/sphinx/extension.py
+++ b/sphinx/extension.py
@@ -1,5 +1,7 @@
"""Utilities for Sphinx extensions."""
+from __future__ import annotations
+
from typing import TYPE_CHECKING, Any, Dict
from packaging.version import InvalidVersion, Version