old pytests don't support python 3.12 and beyond

Author: youtux

tox.ini

@@ -1,6 +1,7 @@
 [tox]
 distshare = {homedir}/.tox/distshare
-envlist = py{3.8,3.9,3.10,3.11,3.12,3.13}-pytest{6.2,7.0,7.1,7.2,7.3,7.4,latest}-coverage
+envlist = py{3.8,3.9,3.10,3.11}-pytest{6.2,7.0,7.1,7.2,7.3,7.4,latest}-coverage
+          py{3.12,3.13}-pytest{7.3,7.4,latest}-coverage
           py3.11-pytestlatest-xdist-coverage
           mypy