code: def __init__(self, app: Flask) -> None:
      super().__init__()
      self.local_bind_address = app.config[
          "SSH_TUNNEL_LOCAL_BIND_ADDRESS"
      ]
      sshtunnel.TUNNEL_TIMEOUT = app.config["SSH_TUNNEL_TIMEOUT_SEC"]
      sshtunnel.SSH_TIMEOUT = app.config[
          "SSH_TUNNEL_PACKET_TIMEOUT_SEC"
      ]
  
file_path: superset/superset/extensions/ssh.py
imports: import logging
  from io import StringIO
  from typing import TYPE_CHECKING
  import sshtunnel
  from flask import Flask
  from paramiko import RSAKey
  from superset.databases.utils import make_url_safe
  from superset.utils.class_utils import load_class_from_name
label_desc: Use image node_id 1 to create a new SSHManager object  with example: obj = SSHManager(app)