openvpn autoconnect with multi-factor authentication

#!/usr/bin/python

import sys

try:
  import pexpect
except ImportError:
  sys.stderr.write("\nPexpect is not installed. You can do so with 'pip install pexpect' :)\n\n")
  exit(1)

def connect(root_pass,username, password, response='phone'):
  conn = pexpect.spawn('sudo openvpn --config /usr/bin/client.ovpn --auth-retry interact')
  conn.logfile = None
  conn.expect('\[sudo\]')
  conn.sendline(root_pass)
  conn.logfile = sys.stdout
  conn.expect('Username:')
  conn.sendline(username)
  conn.expect('Password:')
  conn.logfile = None
  conn.sendline(password)
  conn.logfile = sys.stdout
  conn.expect('Response:')
  conn.delaybeforesend = 1
  conn.sendline(response)
  conn.expect('Initialization Sequence Completed')

def main():
  root_pass = '@#$!@$!@#$' # replace with your system root password. NOTE: This is also not my password :D
  username = 'xxxVxxx' # replace with your username. NOTE. This is my username :)
  password = 'h14!BYEbOH4BOLm' # replace with your password. NOTE: This is also not my password :P
  response = ''  # set this to push if you want to use your mobile duo notification
  connect(root_pass, username, password)

if __name__ == '__main__':
    main()