Code is a lil deprecated with new renpy versions.
Replace
hold_last_frame = bool(kwargs["hold_last_frame"]) if "hold_last_frame" in kwargs else False with renpy.open_file(image_path) as handle: full_width, full_height = __get_image_size(handle) sprite_width = int(full_width / x_sprite_count)
With
hold_last_frame = bool(kwargs["hold_last_frame"]) if "hold_last_frame" in kwargs else False full_width, full_height = renpy.image_size(image_path) sprite_width = int(full_width / x_sprite_count)