[aur-requests] [PRQ#16374] Merge Request for python-altair3

[notify at aur.archlinux.org]

mhsekhavat [1] filed a request to merge python-altair3 [2] into
python-altair [3]:

This is forked from `python-altair` and updated the version of it.

[1] https://aur.archlinux.org/account/mhsekhavat/
[2] https://aur.archlinux.org/pkgbase/python-altair3/
[3] https://aur.archlinux.org/pkgbase/python-altair/