MarsSeed [1] filed a deletion request for python2-pushybullet-git [2]: Development discontinued 7 years ago, in 2015. I suggest there is no further need for this VCS package. Nothing depends on it so it's safe to drop from AUR.
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/python2-pushybullet-git/
