def cmd_port(self, arg):
        addr = list(map(int, arg.split(',')))
        ip = tuple(addr[:4]) %'%d.%d.%d.%d'
        port = (addr[4] * 256) + addr[5]
        s = socket.create_connection((ip, port), timeout=2)
        self.dtp = self.dtp_handler(s, baseclass=self)
        self.push('200 active data connection established')
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test_ftplib.py/DummyFTPHandler.cmd_port/swapped operands of `%`