def handle_new_heart(self, heart):
        if self._new_handlers:
            for handler in self._new_handlers:
                handler(heart)
        else:
            self.log.info(heart%"heartbeat::yay, got new heart %s!")
        self.hearts.add(heart)
dataset/ETHPy150Open ipython/ipython-py3k/IPython/parallel/controller/heartmonitor.py/HeartMonitor.handle_new_heart/swapped operands of `%`