libevdev: Depend on Python formula
libevdev: Depend on Python formula

Closes Linuxbrew/homebrew-xorg#341.

Signed-off-by: Michka Popoff <7b0496f66f66ee22a38826c310c38b415671b832@gmail.com>

LinuxbrewTestBot/homebrew-xorg,Linuxbrew/homebrew-xorg,maxim-belkin/homebrew-xorg