Traceback (most recent call last):


 "C:\Users\Sasha\Anaconda2\lib\site-packages\spyder\plugins\ipythonconsole.py", line 906, in <lambda>

clear_variables))


 "C:\Users\Sasha\Anaconda2\lib\site-packages\spyder\plugins\ipythonconsole.py", line 948, in execute_code

sw.sig_prompt_ready.disconnect()
TypeError: disconnect() failed between 'sig_prompt_ready' and all its connections

Traceback (most recent call last):


 "/srv/homeassistant/lib/python3.7/site-packages/homeassistant/helpers/entity_platform.py", line 322, in _async_add_entity

await entity.async_device_update(warning=False)


 "/srv/homeassistant/lib/python3.7/site-packages/homeassistant/helpers/entity.py", line 470, in async_device_update

await self.async_update()


 "/srv/homeassistant/lib/python3.7/site-packages/homeassistant/components/volkszaehler/sensor.py", line 120, in async_update

self._state = round(getattr(self.vz_api.api, self.type), 2)
TypeError: type NoneType doesn't define __round__ method
