[root@server home]# python sophia.py
Connecting to 83.212.117.136:7777 with credentials 'max:123456'...
Traceback (most recent call last):
  File "sophia.py", line 20, in <module>
    s = pexpect.spawn(connect)
  File "/usr/lib/python2.6/site-packages/pexpect/pty_spawn.py", line 197, in __init__
    self._spawn(command, args, preexec_fn, dimensions)
  File "/usr/lib/python2.6/site-packages/pexpect/pty_spawn.py", line 270, in _spawn
    'executable: %s.' % self.command)
pexpect.exceptions.ExceptionPexpect: The command was not found or was not executable: nc.