Fix Fetching Data example (#403)

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Franck Nijhof 2020-02-07 23:48:14 +01:00 committed by GitHub
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@ -28,9 +28,10 @@ This API will have a single method to fetch data for all the entities that you h
Home Assistant provides a DataUpdateCoordinator class to help you manage this as efficiently as possible. Home Assistant provides a DataUpdateCoordinator class to help you manage this as efficiently as possible.
```python ```python
from datetime import timedelta
import logging import logging
from homeassistant.helpers import debounce, entity from homeassistant.helpers import entity
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import DOMAIN from .const import DOMAIN
@ -90,7 +91,7 @@ class MyEntity(entity.Entity):
@property @property
def available(self): def available(self):
"""Return if entity is available.""" """Return if entity is available."""
return not self.coordinator.failed_last_update return self.coordinator.last_update_success
async def async_added_to_hass(self): async def async_added_to_hass(self):
"""When entity is added to hass.""" """When entity is added to hass."""