On Oct 21, 2015, at 08:47 PM, Brian May wrote: >in one case this is because upstream have only supplied a *.whl >file on Pypi. I'm *really* hoping that the PyPA will prohibit binary wheel-only uploads. There is talk about source wheels, and if that happens we'll probably have to adjust our tools to handle them, but in theory they shouldn't be that much different than being able to handle a different compression or encapsulation format. Cheers, -Barry