found @robmarkcole
2017-10-12 15:11:34 ERROR (MainThread) [homeassistant.components.sensor] Error while setting up platform hue
Traceback (most recent call last):
File “/usr/lib/python3.6/site-packages/homeassistant/helpers/entity_component.py”, line 164, in _async_setup_platform
SLOW_SETUP_MAX_WAIT, loop=self.hass.loop)
File “/usr/lib/python3.6/asyncio/tasks.py”, line 352, in wait_for
return fut.result()
File “/usr/lib/python3.6/asyncio/futures.py”, line 244, in result
raise self._exception
File “/usr/lib/python3.6/concurrent/futures/thread.py”, line 55, in run
result = self.fn(*self.args, **self.kwargs)
File “/config/custom_components/sensor/hue.py”, line 25, in setup_platform
url = hass.data[DOMAIN] + ‘/sensors’
KeyError: ‘hue’