code: def render(self):
          menu_list = []
          menu_index = 0
          for _, menu in copy.deepcopy(self.MENU).items():
              subnav = []
              menu["kwargs"]["_id"] = str(menu_index)
              menu["kwargs"]["active"] = False
              if "visible" in menu["kwargs"]:
                  menu["kwargs"]["visible"] = self._test_visibility(menu["kwargs"]["visible"])
              for s in menu["subnav"]:
                  if s["title"]:
                      s["title"] = self._get_title(s["title"])
                  if s["endpoint"] == request.endpoint:
                      s["active"] = True
                      menu["kwargs"]["active"] = True
                  s["visible"] = self._test_visibility(s["visible"])
                  menu_index += 1
                  s["_id"] = str(menu_index)
                  subnav.append(s)
              _kwargs = menu["kwargs"]
              if menu["title"]:
                  _kwargs.update({
                      "subnav": self._sort(subnav),
                      "order": menu["order"],
                      "title": self._get_title(menu["title"])
                  })
                  menu_list.append(_kwargs)
              else:
                  menu_list += subnav
              menu_index += 1
          return self._sort(menu_list)