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-rw-r--r--sphinx/util/inventory.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/sphinx/util/inventory.py b/sphinx/util/inventory.py
index 7827aec74..91369f559 100644
--- a/sphinx/util/inventory.py
+++ b/sphinx/util/inventory.py
@@ -1,4 +1,6 @@
"""Inventory utility functions for Sphinx."""
+from __future__ import annotations
+
import os
import re
import zlib