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-rw-r--r--sphinx/ext/mathjax.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/ext/mathjax.py b/sphinx/ext/mathjax.py
index 9bdfc09c2..a69ee7f84 100644
--- a/sphinx/ext/mathjax.py
+++ b/sphinx/ext/mathjax.py
@@ -5,6 +5,8 @@ This requires the MathJax JavaScript library on your webserver/computer.
.. _MathJax: https://www.mathjax.org/
"""
+from __future__ import annotations
+
import json
from typing import Any, Dict, cast