def get_ticks(self, rects):
    ticks = VGroup(*[Line((point + ((self.tick_size * UP) / 2)), (point + ((self.tick_size * DOWN) / 2))) for t in np.linspace(0, 8, (len(rects) + 1)) for point in [self.coords_to_point(t, 0)]])
    ticks.set_color(YELLOW)
    return ticks
def get_ticks(self, rects):
    ticks = VGroup(*[Line((point + ((self.tick_size * UP) / 2)), (point + ((self.tick_size * DOWN) / 2))) for t in np.linspace(0, 8, (len(rects) + 1)) for point in [self.coords_to_point(t, 0)]])
    ticks.set_color(YELLOW)
    return ticks