def pong(self, ts1, ts2):
        latency = (ts2 - ts1) * 1000.0
        status(
            "{0:d} event/s @ {1:0.2f}ms latency".format(
                int((time() - self.stime) / self.events),
                latency
            )
        )
        self.fire(ipc(ping(time())))
dataset/ETHPy150Open circuits/circuits/examples/pingpong.py/App.pong/swapped operands of `/`