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-rw-r--r--sphinx/builders/manpage.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/builders/manpage.py b/sphinx/builders/manpage.py
index b10fef48b..24e9f398c 100644
--- a/sphinx/builders/manpage.py
+++ b/sphinx/builders/manpage.py
@@ -1,5 +1,7 @@
"""Manual pages builder."""
+from __future__ import annotations
+
import warnings
from os import path
from typing import Any, Dict, List, Optional, Set, Tuple, Union