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-rw-r--r--sphinx/ext/intersphinx.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/ext/intersphinx.py b/sphinx/ext/intersphinx.py
index 877f9428c..6d814a9a4 100644
--- a/sphinx/ext/intersphinx.py
+++ b/sphinx/ext/intersphinx.py
@@ -16,6 +16,8 @@ This works as follows:
without Internet access.
"""
+from __future__ import annotations
+
import concurrent.futures
import functools
import posixpath