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Clean up left-behind dispatcher handlers when removing RainMachine (#18488)

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* Clean up left-behind dispatcher handlers when removing RainMachine

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This commit is contained in:
Aaron Bach 2018-11-17 02:42:50 -07:00 • committed by Martin Hjelmare
parent 6b2f50b29e
commit e73b9b9b8f
4 changed files with 16 additions and 26 deletions
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9
homeassistant/components/binary_sensor/rainmachine.py
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@ -78,13 +78,8 @@ class RainMachineBinarySensor(RainMachineEntity, BinarySensorDevice):
"""Update the state."""
self.async_schedule_update_ha_state(True)
self._async_unsub_dispatcher_connect = async_dispatcher_connect(
self.hass, SENSOR_UPDATE_TOPIC, update)
async def async_will_remove_from_hass(self):
"""Disconnect dispatcher listener when removed."""
if self._async_unsub_dispatcher_connect:
self._async_unsub_dispatcher_connect()
self._dispatcher_handlers.append(async_dispatcher_connect(
self.hass, SENSOR_UPDATE_TOPIC, update))
async def async_update(self):
"""Update the state."""