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Handle a potential race in the notifier when calling get_events_for which resulted in an uncaught KeyError
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@ -166,9 +166,13 @@ class Notifier(object):
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"""
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"""
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logger.debug("%s is listening for events.", user_id)
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logger.debug("%s is listening for events.", user_id)
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if len(self.stored_event_listeners[user_id][stream_id]["chunk"]) > 0:
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try:
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logger.debug("%s returning existing chunk.", user_id)
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streams = self.stored_event_listeners[user_id][stream_id]["chunk"]
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return self.stored_event_listeners[user_id][stream_id]
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if streams:
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logger.debug("%s returning existing chunk.", user_id)
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return streams
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except KeyError:
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return None
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reactor.callLater(
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reactor.callLater(
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(timeout / 1000.0), self._timeout, user_id, stream_id
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(timeout / 1000.0), self._timeout, user_id, stream_id
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