Implement PEP250: Use Lib/site-packages under windows. bdist_wininst doesn't use the NT SCHEME any more, instead a custom SCHEME is used, which is exchanged at installation time, depending on the python version used.
Implement PEP250: Use Lib/site-packages under windows.
bdist_wininst doesn't use the NT SCHEME any more, instead
a custom SCHEME is used, which is exchanged at installation
time, depending on the python version used.

Avoid a bogus warning frpom install_lib about installing
into a directory not on sys.path.

pypa/setuptools,pypa/setuptools,pypa/setuptools