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-rw-r--r--sphinx/ext/graphviz.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/ext/graphviz.py b/sphinx/ext/graphviz.py
index ed7278f5c..344c108b4 100644
--- a/sphinx/ext/graphviz.py
+++ b/sphinx/ext/graphviz.py
@@ -1,6 +1,8 @@
"""Allow graphviz-formatted graphs to be included inline in generated documents.
"""
+from __future__ import annotations
+
import posixpath
import re
import subprocess