ValueError: 'OFF' is not a valid AirQualityTarget about ha-dyson HOT 6 CLOSED

2021-03-21 18:43:34 DEBUG (SyncWorker_9) [custom_components.dyson_local.fan] Turn off fan Pure Cool Link
2021-03-21 18:43:35 DEBUG (Thread-6) [libdyson.dyson_device] New state: {'msg': 'STATE-CHANGE', 'time': '2021-03-21T18:43:35.000Z', 'mode-reason': 'LAPP', 'state-reason': 'MODE', 'product-state': {'fmod': ['FAN', 'OFF'], 'fnst': ['FAN', 'OFF'], 'fnsp': ['0001', '0001'], 'qtar': ['0003', 'OFF'], 'oson': ['OFF', 'OFF'], 'rhtm': ['OFF', 'OFF'], 'filf': ['3811', '3811'], 'ercd': ['NONE', 'NONE'], 'nmod': ['OFF', 'OFF'], 'wacd': ['NONE', 'NONE']}, 'scheduler': {'srsc': 'b045', 'dstv': '0001', 'tzid': '0001'}}
2021-03-21 18:43:35 ERROR (MainThread) [homeassistant] Error doing job: Task exception was never retrieved
Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 282, in async_update_ha_state
    self._async_write_ha_state()
  File "/usr/src/homeassistant/homeassistant/helpers/entity.py", line 322, in _async_write_ha_state
    attr.update(self.device_state_attributes or {})
  File "/config/custom_components/dyson_local/fan.py", line 208, in device_state_attributes
    return {ATTR_AIR_QUALITY_TARGET: self.air_quality_target}
  File "/config/custom_components/dyson_local/fan.py", line 203, in air_quality_target
    return AIR_QUALITY_TARGET_ENUM_TO_STR[self._device.air_quality_target]
  File "/usr/local/lib/python3.8/site-packages/libdyson/dyson_pure_cool_link.py", line 33, in air_quality_target
    return AirQualityTarget(self._get_field_value(self._status, "qtar"))
  File "/usr/local/lib/python3.8/enum.py", line 339, in __call__
    return cls.__new__(cls, value)
  File "/usr/local/lib/python3.8/enum.py", line 662, in __new__
    raise ve_exc
ValueError: 'OFF' is not a valid AirQualityTarget