def putcmd(self, cmd, args=""):
        """Send a command to the server."""
        if args == "":
            str = '%s%s' % (cmd, CRLF)
        else:
            str = (cmd, args, CRLF) % '%s %s%s'
        self.send(str)
dataset/ETHPy150Open babble/babble/include/jython/Lib/smtplib.py/SMTP.putcmd/swapped operands of `%`