def __init__(self, node, verbose=False, addr=None, count=50, interval=0.1, ):
        Cmd.__init__(self, node, verbose)
        self.addr = addr
        self.count = count
        self.interval = interval
        self.args = ['ping', '-q', '-c', '%s' % count, '-i', interval % '%s',
                     addr]
dataset/ETHPy150Open coreemu/core/daemon/examples/netns/wlanemanetests.py/PingCmd.__init__/swapped operands of `%`