Jumpssh from Cisco router to another router causes ChannelException(3, 'Unknown channel type')

[rakikulkarni]

from jumpssh import SSHSession
gateway_session = SSHSession('192.168.2.1', 'admin', password='password').open() # works fine
remote_session = gateway_session.get_remote_session('192.168.3.2', password='password') error

jumpssh.exception.ConnectionError: Unable to connect to '192.168.3.2:22' with user 'admin': ChannelException(3, 'Unknown channel type')