hostname = 'remotehostname.com'
username=   'AB1239'
password= ‘password’
port = 10022

import paramiko
c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect(hostname=hostname, username=username, password=password,port=port)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/site-packages/paramiko/client.py", line 380, in connect
    look_for_keys, gss_auth, gss_kex, gss_deleg_creds, gss_host)
  File "/usr/lib/python2.7/site-packages/paramiko/client.py", line 597, in _auth
    raise saved_exception
paramiko.ssh_exception.AuthenticationException: Authentication failed.


I am using:
>>> print paramiko.__version__
1.16.1