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More fault tolerant discovery

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This commit is contained in:
Paulus Schoutsen 2016-05-08 21:23:03 -07:00
parent ab2e85840f
commit 09483e3be4
1 changed files with 1 additions and 1 deletions
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2
homeassistant/components/discovery.py
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@ -52,7 +52,7 @@ def listen(hass, service, callback):
def discovery_event_listener(event): def discovery_event_listener(event):
"""Listen for discovery events.""" """Listen for discovery events."""
if event.data[ATTR_SERVICE] in service: if ATTR_SERVICE in event.data and event.data[ATTR_SERVICE] in service:
callback(event.data[ATTR_SERVICE], event.data.get(ATTR_DISCOVERED)) callback(event.data[ATTR_SERVICE], event.data.get(ATTR_DISCOVERED))
hass.bus.listen(EVENT_PLATFORM_DISCOVERED, discovery_event_listener) hass.bus.listen(EVENT_PLATFORM_DISCOVERED, discovery_event_listener)