为什么报错？ TypeError: object() takes no parameters

这个为什么报错嘞

import paramiko, getpass, sys, traceback
class sshDemo():
    def __int__(self,ip, port, username, passwd):
        self.ip = ip
        self.port = port
        self.username = username
        self.passwd = passwd
        self.pkey = None

    def login(self, username, key_path, passwd):
        try:
            self.pkey = paramiko.RSAKey.from_private_key_file(key_path)
        except paramiko.PasswordRequiredException:
            if not passwd:
                passwd = getpass.getpass('RSA key password: ')
            self.pkey = paramiko.RSAKey.from_private_key_file(key_path, passwd)

    def ssh(self, shell):
        try:
            ssh = paramiko.SSHClient()
            ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            if self.pkey:
                ssh.connect(self.ip, self.port, self.username, compress=True, pkey=self.pkey)
            else:
                if not self.passwd:
                    self.passwd = getpass.getpass('input password: ')
                ssh.connect(self.ip, self.port, self.username, self.passwd)
            stdin, stdout, stderr = ssh.exec_command(shell)
            res = stdout.readlines()
            ssh.close()
            return res
        except:
            type, value, tb = sys.exc_info()
            return traceback.format_exception(type, value, tb)


if __name__ == '__main__':
    myssh = sshDemo("10.253.166.89", 22, "root", "123456")

    # myssh.login("10.253.166.89", 22, "root", "123456")
    myssh.ssh("cd /root/ && ll -a")

“class”: algorithms.Blowfish,
Traceback (most recent call last):
File “C:\Users\Administrator\Desktop\ceatest\test_lxb\ssh_shell.py”, line 62, in
myssh = sshDemo(“10.253.166.89”, 22, “root”, “123456”)
TypeError: object() takes no parameters