MAINT, STY: Make download-wheels download source files.
MAINT, STY: Make download-wheels download source files.

Using cibuild to build both wheels and the sdist requires that both be
downloaded from the staging repo. After this change all of the whl, zip,
and gzip files will be downloaded.

This also reqularizes strings to conform to the Black standard.

endolith/numpy,mhvk/numpy,rgommers/numpy,numpy/numpy,anntzer/numpy,anntzer/numpy,pdebuyl/numpy,mattip/numpy,pdebuyl/numpy,numpy/numpy,charris/numpy,charris/numpy,endolith/numpy,mhvk/numpy,endolith/numpy,mhvk/numpy,charris/numpy,rgommers/numpy,mhvk/numpy,mattip/numpy,numpy/numpy,numpy/numpy,mattip/numpy,pdebuyl/numpy,mattip/numpy,rgommers/numpy,endolith/numpy,rgommers/numpy,anntzer/numpy,pdebuyl/numpy,anntzer/numpy,mhvk/numpy,charris/numpy