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-rw-r--r--sphinx/domains/cpp.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/domains/cpp.py b/sphinx/domains/cpp.py
index b29e4bf39..ebd368122 100644
--- a/sphinx/domains/cpp.py
+++ b/sphinx/domains/cpp.py
@@ -1,5 +1,7 @@
"""The C++ language domain."""
+from __future__ import annotations
+
import re
from typing import (Any, Callable, Dict, Generator, Iterator, List, Optional, Tuple, TypeVar,
Union)