Paramiko output printing issue

[anna]

import socket
socket.setdefaulttimeout(5)
import paramiko
import sys
import threading
import os
import time
ip        = '10.124.117.12'
user      = 'ops'
passwd    = 'BN123'

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
try:
   ssh.connect(ip,username=user,password=passwd, timeout=5)
   print "Connected to %s" % ip
   time.sleep(5)
   connection = ssh.invoke_shell()
   stdin, stdout, stderr = ssh.exec_command("show chassis\n")
   result = stdout.read().decode('ascii').strip("\n")
   ssh.close()
   print result
except (socket.error,paramiko.AuthenticationException,paramiko.SSHException) as message:
        print "ERROR: SSH connection to "+ip+" failed: " +str(message)
        sys.exit(1)
except paramiko.SSHException:
       print "[-] SSH Exception! ..."

showing as below error

Connected to 10.124.117.12
No handlers could be found for logger "paramiko.transport"
ERROR: SSH connection to 10.124.117.12 failed: (1, 'Administratively prohibited')

however I am able to telnet from command prompt


ssh -l ops 10.124.117.12

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
! **** WARNING: UNAUTHORISED ACCESS PROHIBITED **** !
! You are about to log on to a proprietary system where access is provided, !
! by the Owner of the system, only to authorized users. !
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[email protected]'s password:

*A:BNG_01# logout