from yandex_music import YandexMusicObject class TrackPosition(YandexMusicObject): def __init__(self, volume, index, client=None, **kwargs): self.volume = volume self.index = index self.client = client @classmethod def de_json(cls, data, client): if not data: return None data = super(TrackPosition, cls).de_json(data, client) return cls(client=client, **data)