docs: def _open_ok(self, args):
          """
          signal that the connection is ready
  
          This method signals to the client that the connection is ready
          for use.
  
          PARAMETERS:
              known_hosts: shortstr
  
          """
          self.known_hosts = args.read_shortstr()
          AMQP_LOGGER.debug('Open OK! known_hosts [%s]' % self.known_hosts)
          return None