code: def request_instant_room(self):
          
          if self.configured:
              raise RuntimeError("Instant room may be requested for unconfigured room only")
          form = Form("submit")
          return self.configure_room(form)
docs: Request an "instant room" -- the default configuration for a MUC room.
  
          :return: id of the request stanza.
          :returntype: `unicode`