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Guard for missing value (#45867)

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* guard for missing value

* update comment
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Marcel van der Veldt 2021-02-02 19:57:08 +01:00 committed by GitHub
parent c93fec34b3
commit 2e98cfb9ab
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1 changed files with 7 additions and 1 deletions
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8
homeassistant/components/zwave_js/entity.py
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@ -92,7 +92,13 @@ class ZWaveBaseEntity(Entity):
@property
def available(self) -> bool:
"""Return entity availability."""
return self.client.connected and bool(self.info.node.ready)
return (
self.client.connected
and bool(self.info.node.ready)
# a None value indicates something wrong with the device,
# or the value is simply not yet there (it will arrive later).
and self.info.primary_value.value is not None
)
@callback
def _value_changed(self, event_data: dict) -> None: