code: def get_node_config(self, jid, node=None):
          
  
          iq = aioxmpp.stanza.IQ(to=jid, type_=aioxmpp.structs.IQType.GET)
          iq.payload = pubsub_xso.OwnerRequest(
              pubsub_xso.OwnerConfigure(node=node)
          )
  
          response = yield from self.client.send(iq)
          return response.payload.data
docs: Request the configuration of a node.
  
          :param jid: Address of the PubSub service.
          :type jid: :class:`aioxmpp.JID`
          :param node: Name of the PubSub node to query.
          :type node: :class:`str`
          :raises aioxmpp.errors.XMPPError: as returned by the service
          :return: The configuration of the node.
          :rtype: :class:`~.forms.Data`
  
          On success, the :class:`~.forms.Data` form is returned.
  
          If an error occurs, the corresponding :class:`~.errors.XMPPError` is
          raised.