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-rw-r--r--sphinx/transforms/post_transforms/code.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/transforms/post_transforms/code.py b/sphinx/transforms/post_transforms/code.py
index 5a5980c4a..0308b2224 100644
--- a/sphinx/transforms/post_transforms/code.py
+++ b/sphinx/transforms/post_transforms/code.py
@@ -1,5 +1,7 @@
"""transforms for code-blocks."""
+from __future__ import annotations
+
import sys
from typing import Any, Dict, List, NamedTuple