'Get the departure board.'

@Throttle(MIN_TIME_BETWEEN_UPDATES)
def update(self):

    try:
        self._departureboard = self._planner.departureboard(self._departure['id'], direction=(self._heading['id'] if self._heading else None), date=(datetime.now() + self._delay))
    except self._vasttrafik.Error:
        _LOGGER.warning('Unable    to    read    departure    board,    updating    token')
        self._planner.update_token()
