Documentation says build.tools.python: 3 should work but it doesnt

[mithro]

The docs say that you can use 3 to get the (latest stable CPython version) however, when you try and use that value in your configuration the build will fail with;

Error
Problem in your project's configuration. Invalid configuration option "build.tools.python": expected one of (2.7, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3, miniconda3-4.7, mambaforge-4.10, mambaforge-22.9), got 3

Se the following screenshots;

[humitos]

This is a known bug. Please use build.tools.python: "3" (note the quotes). Duplicated of #10502