def opt_subscriber_whitelist(self, network):
        reactor.callWhenRunning(log.info, network % "Whitelisting %s for subscription")
        self['running_subscriber-whitelist'].append(ip_network(network, strict=False))
dataset/ETHPy150Open jdswinbank/Comet/comet/service/broker.py/Options.opt_subscriber_whitelist/swapped operands of `%`