code: def build_sqla_url(
      self, sqlalchemy_url: str, server: sshtunnel.SSHTunnelForwarder
  ) -> str:
      # override any ssh tunnel configuration object
      url = make_url_safe(sqlalchemy_url)
      return url.set(
          host=server.local_bind_address[0],
          port=server.local_bind_port,
      )
  
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 2 for calling the SSHManager obj's underlying member method code with example usage: obj.build_sqla_url(sqlalchemy_url, server) and returns: url