diff --git a/homeassistant/components/mystrom/binary_sensor.py b/homeassistant/components/mystrom/binary_sensor.py index 66ea2cc9679..17a1da75a96 100644 --- a/homeassistant/components/mystrom/binary_sensor.py +++ b/homeassistant/components/mystrom/binary_sensor.py @@ -67,6 +67,7 @@ class MyStromView(HomeAssistantView): else: new_state = self.buttons[entity_id].state == "off" self.buttons[entity_id].async_on_update(new_state) + return None class MyStromBinarySensor(BinarySensorEntity):