found 7zip in C:\Program Files\7-Zip\7z.exe
	SET DISTUTILS_USE_SDK=1
	SET MSSdk=1
	SET LIB=%LIB%;E:\buildsystem\release-1916-x64\lib
	cd E:\buildsystem\src\mapserver-vc15x64\vc15x64\mapscript\python\Release
	rmdir /s /q dist
	E:\builds\Python37-AMD64\python.exe setup.py bdist --formats=msi