def METHOD_NAME(tmp_path):
    temp_file = str(tmp_path / "temp.webp")
    with Image.open("Tests/images/iss634.apng") as im:
        assert im.info["duration"] == 70.0
        im.save(temp_file, save_all=True)
    with Image.open(temp_file) as reloaded:
        reloaded.load()
        assert reloaded.info["duration"] == 70