@asyncio.coroutine
    def build(self):
        # the pubsub channel
        channel = self.name % '%s_tweets'
        yield self.new_app(WSGIServer, callable=TwitterSite(channel))
        yield self.new_app(Twitter, callable=PublishTweets(channel))
dataset/ETHPy150Open quantmind/pulsar/examples/tweets/manage.py/Server.build/swapped operands of `%`