From 5274d612bc5811bc3c9f740f29e1b015a4e8672d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dirk=20M=C3=BCller?= <dirk@dmllr.de>
Date: Mon, 6 Mar 2023 21:48:26 +0100
Subject: [PATCH] Avoid TypeError when building with Sphinx 6.1.1 and above

see https://github.com/sphinx-doc/sphinx/issues/11094 for the
investigation and the fix.

Change-Id: I836df2bc88d416415c395245f012d6990fd006b2
---
 doc/source/conf.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/source/conf.py b/doc/source/conf.py
index e390675..84c108a 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -98,7 +98,7 @@ man_pages = [
 # -- sphinx.ext.extlinks configuration ---------------------------------------
 
 extlinks = {
-    'example': (source_tree + '/oslo_policy/%s', ''),
+    'example': (source_tree + '/oslo_policy/%s', None),
 }
 
 # -- sphinxcontrib.apidoc configuration --------------------------------------
-- 
2.39.2