try plain python

Author: nedbat

tox.ini

@@ -55,10 +55,10 @@ commands =
     py3{12,13,14},anypy: python igor.py test_with_core sysmon {posargs}
 
 [testenv:py313t]
-basepython = python3.13t
+basepython = python
 
 [testenv:py314t]
-basepython = python3.14t
+basepython = python
 
 [testenv:anypy]
 # $set_env.py: COVERAGE_ANYPY - The custom Python for "tox -e anypy"