Xpra: Ticket #2262: switch from cx_Freeze to pyinstaller

cx_freeze is dead it seems: no commits since october, the trivial fix for python3.7 languishing. Maintainer is MIA.

Does pyinstaller still require pywin32? See ticket:1528#comment:1.



Sat, 23 Jan 2021 05:46:30 GMT - migration script:

this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2262