ssh provider has limit to sshtunnel  < 0.2
https://github.com/apache/airflow/blob/9d6ae609b60449bd274c2f96e72486d73ad2b8f9/setup.py#L451

I don't know why? sshtunnel  already released 0.4
I didn't open PR because I don't know this provider i just tried to install it and couldn't due to conflicts with other requirements in my system so eventually i used vitrual env to solve my problem but logging this issue so that someone who knows this code can handle it.
airflow/providers/ssh/hooks/ssh.py
#
#
#
"""Hook for SSH connections."""
import os
import warnings
from base64 import decodebytes
from io import StringIO
from typing import Dict, Optional, Tuple, Union
import paramiko
from paramiko.config import SSH_PORT
from sshtunnel import SSHTunnelForwarder
from airflow.exceptions import AirflowException
from airflow.hooks.base import BaseHook
try:
    from airflow.utils.platform import getuser
except ImportError:
    from getpass import getuser
TIMEOUT_DEFAULT = 10
class SSHHook(BaseHook):