It's specifically complaining about point releases of 3.x, it only mentions 2 in an unrelated way.
The fix for https://bugs.python.org/issue40870 caused me some grief when upgrading from 3.8.3 to 3.8.4 (though to be fair, the ast module has different stability guarantees).
The fix for https://bugs.python.org/issue40870 caused me some grief when upgrading from 3.8.3 to 3.8.4 (though to be fair, the ast module has different stability guarantees).