message: House cleaning
diff: @@ -39,7 +39,7 @@ class AvailablePortGenerator(object):
  def port_is_available(port):
  with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
  sock.settimeout(2)
  - result = sock.connect_ex(('0.0.0.0', port))
  + result = sock.connect_ex(('127.0.0.1', port))
  if result != 0:
  return True
  else:
  