From d92f6a2ab545e49a8b3fa5ed17765b3c167b9e0e Mon Sep 17 00:00:00 2001
From: Russell Martin <rmartin16@gmail.com>
Date: Sun, 30 Apr 2023 18:35:34 -0400
Subject: [PATCH] Ensure `tox` uses oldest supported Python for coverage

---
 tox.ini | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tox.ini b/tox.ini
index eb0ebbfd0..a69e94f8c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,6 +23,8 @@ commands =
 
 [testenv:coverage{,-html}{,-fail}]
 depends = py{,38,39,310,311,312}
+# coverage should run on oldest supported Python
+base_python = py38,py39,py310,py311
 parallel_show_output = True
 extras = {[testenv]extras}
 # 2023-04-22 see pkgenv ↑