From 24aa1b565e4ff0727229b7fde3fedf1c95f56165 Mon Sep 17 00:00:00 2001
From: Joe Ranieri <jranieri@grammatech.com>
Date: Thu, 17 Nov 2022 15:51:50 -0500
Subject: [PATCH] Specify a minimum tox version (#45)

Versions of tox before 3.18.1 are incompatible due to a bug in tox.
---
 pyproject.toml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pyproject.toml b/pyproject.toml
index d2676f5..97fce02 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,6 +72,8 @@ legacy_tox_ini = """
 envlist = py37, py38, py39, py310, py311, pypy3
 skip_missing_interpreters = true
 isolated_build = true
+# Need tox 3.18.1 or newer due to https://github.com/tox-dev/tox/issues/1344
+minversion = 3.18.1
 
 [testenv]
 extras = test