kn 1dc859d591 Use py3 sphinx during build and @so markers in PLIST
ghc already defaults to Python 3, make sure sphinx uses the
same version.

tested by me without Python 2 installed
diff from gznedo
2020-04-30 23:16:59 +00:00
..
2019-09-10 20:55:26 +00:00
2020-03-19 21:32:58 +00:00