[Flask] Persistent SSH Connection in Flask App

[C.PRAMOD NAIR]

Hello All,
I am trying to create a Flask APP to run command on remote server, I am able to connect to remote using pexpect.pxssh. Code snippet is in below link, the issue here is that the connect_ssh is getting called for each request. I want to know if it's possible to create persistent ssh connection.
http://stackoverflow.com/questions/34509746/ssh-persistent-connection-using-pxssh-in-flask
Thanks
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