Error when change airflow on ventilation unit

[hwikene]

I get this when i change from "Low" to "High" airflow direct on the unit.

2018-10-22 12:45:54 ERROR (MainThread) [homeassistant.core] Error doing job: Task exception was never retrieved Traceback (most recent call last): File "/usr/local/lib/python3.6/site-packages/homeassistant/helpers/entity.py", line 232, in async_update_ha_state state = self.state File "/usr/local/lib/python3.6/site-packages/homeassistant/components/climate/__init__.py", line 210, in state if self.is_on is False: File "/config/custom_components/climate/systemair_savecair.py", line 184, in is_on return int(self._client.data["main_airflow"]) - 1 > 0 TypeError: int() argument must be a string, a bytes-like object or a number, not 'NoneType'

[perara]

I'll take a look. Thanks!