python进行SSH交换机报错

问题遇到的现象和发生背景

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问题相关代码,请勿粘贴截图

Traceback (most recent call last):
File "C:\Users\Administrator\Desktop\联系.py", line 14, in
command = ssh_client.invoke_shell()
File "C:\Program Files\Python310\lib\site-packages\paramiko\client.py", line 549, in invoke_shell
chan.invoke_shell()
File "C:\Program Files\Python310\lib\site-packages\paramiko\channel.py", line 72, in _check
return func(self, *args, **kwds)
File "C:\Program Files\Python310\lib\site-packages\paramiko\channel.py", line 230, in invoke_shell
self._wait_for_event()
File "C:\Program Files\Python310\lib\site-packages\paramiko\channel.py", line 1226, in _wait_for_event
raise e
paramiko.ssh_exception.SSHException: Channel closed.

运行结果及报错内容
我的解答思路和尝试过的方法
我想要达到的结果