From acc1ec4fc41b99c913b939b0178891bb7cd33aa9 Mon Sep 17 00:00:00 2001
From: Kurt McKee <contactme@kurtmckee.org>
Date: Wed, 8 Oct 2025 06:37:09 -0500
Subject: [PATCH] Address a type-conversion noted during doc builds

Doc builds show the following output:

```
Converting `source_suffix = '.rst'` to `source_suffix = {'.rst': 'restructuredtext'}`.
```

This is addressed by upgrading `source_suffix` to a dict in `conf.py`.
---
 docs/conf.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/conf.py b/docs/conf.py
index 51e2f08cb..a32bf2fb0 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -24,7 +24,8 @@
 company, name = "tox-dev", "tox"
 release, version = __version__, ".".join(__version__.split(".")[:2])
 copyright = f"{company}"  # noqa: A001
-master_doc, source_suffix = "index", ".rst"
+master_doc = "index"
+source_suffix = {".rst": "restructuredtext"}
 
 html_theme = "furo"
 html_title, html_last_updated_fmt = "tox", "%Y-%m-%dT%H:%M:%S"