def METHOD_NAME(self):
    self._is_multiple = False
    result = self.run_gifsicle("--info").decode("utf-8")
    size = GIFSICLE_SIZE_REGEX.search(result)
    self.image_size = size.groups()[0].split("x")
    self.image_size[0], self.image_size[1] = (
        int(self.image_size[0]),
        int(self.image_size[1]),
    )
    count = GIFSICLE_IMAGE_COUNT_REGEX.search(result)
    self.frame_count = int(count.groups()[0])