python: Replace the image crate with png We weren’t using any of its features anyway, so the png crate is exactly what we need, without the many heavy dependencies of image. https://github.com/image-rs/image-png/pull/670 will eventually make it even faster to build.

from pytouhou.game.element cimport Element
from pytouhou.game.sprite cimport Sprite

cdef class Orb(Element):
    cdef public double offset_x, offset_y
    cdef Element player
    cdef object fire

    cpdef update(self)