def __init__(self, hass, username, password, fallback):
        """Initialize Tado Connector."""
        self.hass = hass
        self._username = username
        self._password = password
        self._fallback = fallback

        self.device_id = None
        self.tado = None
        self.zones = None
        self.devices = None
        self.data = {
            "zone": {},
            "device": {},
        }