Error while setting up luftdaten platform for sensor

[FlavorFx]

Luftdaten Sensor setup failed

Environment

• Home Assistant Core release with the issue: 0.116.4
• Last working Home Assistant Core release (if known): I don't know
• Operating environment (OS/Container/Supervised/Core): HassIO
• Integration causing this issue: luftdaten
• Link to integration documentation on our website: https://www.home-assistant.io/integrations/luftdaten/

Problem-relevant configuration.yaml

Traceback/Error logs

Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 201, in _async_setup_platform
    await asyncio.gather(*pending)
  File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 310, in async_add_entities
    await asyncio.gather(*tasks)
  File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 356, in _async_add_entity
    if entity.unique_id is not None:
  File "/usr/src/homeassistant/homeassistant/components/luftdaten/sensor.py", line 88, in unique_id
    return f"{self._data['sensor_id']}_{self.sensor_type}"
KeyError: 'sensor_id'

Additional information

[probot-home-assistant[bot]]

Hey there @fabaff, mind taking a look at this issue as its been labeled with an integration (luftdaten) you are listed as a codeowner for? Thanks! _{^{(message by CodeOwnersMention)}}

[springstan]

Duplicate of #36825