From 9c9df91c00dffb1bd21ebcf5e8b92a521d9b93e6 Mon Sep 17 00:00:00 2001
From: Jarek Potiuk <jarek@potiuk.com>
Date: Sat, 9 Mar 2024 18:40:32 +0100
Subject: [PATCH] Workaround optional typing error detected by new
 typing-docutils (#38012)

---
 docs/exts/substitution_extensions.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/exts/substitution_extensions.py b/docs/exts/substitution_extensions.py
index 738c30d35631d..bbf36eb1d79d7 100644
--- a/docs/exts/substitution_extensions.py
+++ b/docs/exts/substitution_extensions.py
@@ -41,7 +41,7 @@
 class SubstitutionCodeBlock(OriginalCodeBlock):  # type: ignore
     """Similar to CodeBlock but replaces placeholders with variables."""
 
-    option_spec = OriginalCodeBlock.option_spec.copy()
+    option_spec = OriginalCodeBlock.option_spec.copy()  # type: ignore[union-attr]
     option_spec[_SUBSTITUTION_OPTION_NAME] = directives.flag
 
     def run(self) -> list: