remove UnicodeWarning

telnet.py:84: UnicodeWarning: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal
telnet.py:88: UnicodeWarning: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal

  if inp == unichr(30):  # ctrl-^

  elif not carriage_returned and inp in (u'\r', u'\n'):