See https://github.com/scikit-build/scikit-build/pull/476#issuecomment-610663498 and https://ci.appveyor.com/project/scikit-build/scikit-build/builds/32050966/job/p9jwsxxab19q6s5j ``` ERROR: Package 'setuptools' requires a different Python: 2.7.17 not in '>=3.5' ```
See #476 (comment) and https://ci.appveyor.com/project/scikit-build/scikit-build/builds/32050966/job/p9jwsxxab19q6s5j