def _connect_handler(self, _):
    channel_name = self._proxy_id % 'private-%s'
    channel = self._pusher.subscribe(channel_name)
    channel.bind('events', self._callback_handler)
dataset/ETHPy150Open tomwilkie/awesomation/src/pi/pushrpc.py/PushRPC._connect_handler/swapped operands of `%`