Require tox 4.0.0 or higher

agronholm · agronholm · commit bebed2111cf5 · 2024-02-14T10:14:50.000Z
diff --git a/pyproject.toml b/pyproject.toml
@@ -97,7 +97,7 @@ legacy_tox_ini = """
 [tox]
 envlist = py38, py39, py310, py311, py312
 skip_missing_interpreters = true
-isolated_build = true
+minversion = 4.0.0
 
 [testenv]
 extras = test
