without these parenthesis the `action` and therefore returned `hvac_action` seems to be `True` instead of i.e. `heating` (did not see that when using an underlying homekit devices climate device, but when the underlying was a generic thermostat)
without these parenthesis the `action` and therefore returned `hvac_action` seems to be `True` instead of i.e. `heating` (did not see that when using an underlying homekit devices climate device, but when the underlying was a generic thermostat)