Traceback (most recent call last):


 "real_time_video.py", line 2, in <module>

import imutils
ModuleNotFoundError: No module named 'imutils'
Traceback (most recent call last):


 "/usr/local/lib/python3.6/asyncio/tasks.py", line 179, in _step

result = coro.send(None)


 "/usr/local/lib/python3.6/site-packages/homeassistant/helpers/entity_component.py", line 381, in async_process_entity

new_entity, self, update_before_add=update_before_add


 "/usr/local/lib/python3.6/site-packages/homeassistant/helpers/entity_component.py", line 238, in async_add_entity

yield from entity.async_update_ha_state()


 "/usr/local/lib/python3.6/site-packages/homeassistant/helpers/entity.py", line 239, in async_update_ha_state

state = self.state


 "/usr/local/lib/python3.6/site-packages/homeassistant/components/sensor/dyson.py", line 176, in state

if self._device.environmental_state:
AttributeError: 'DysonPureCoolLink' object has no attribute 'environmental_state'
