Traceback (most recent call last):
  File "/usr/sbin/ipa-server-install", line 1343, in <module>
    safe_options, options = parse_options()
  File "/usr/sbin/ipa-server-install", line 288, in parse_options
    options, args = parser.parse_args()
  File "/usr/lib64/python2.7/optparse.py", line 1399, in parse_args
    stop = self._process_args(largs, rargs, values)
  File "/usr/lib64/python2.7/optparse.py", line 1439, in _process_args
    self._process_long_opt(rargs, values)
  File "/usr/lib64/python2.7/optparse.py", line 1514, in _process_long_opt
    option.process(opt, value, values, self)
  File "/usr/lib64/python2.7/optparse.py", line 788, in process
    self.action, self.dest, opt, value, values, parser)
  File "/usr/lib64/python2.7/optparse.py", line 808, in take_action
    self.callback(self, opt, value, parser, *args, **kwargs)
  File "/usr/lib/python2.7/site-packages/ipaserver/install/bindinstance.py", line 408, in zonemgr_callback
    value = value.decode(getattr(sys.stdin, 'encoding', 'utf-8'))
TypeError: decode() argument 1 must be string, not None