odoo16中的 'ir.ui.view' object has no attribute '_render'

查了下odoo15的代码：

    def _render(self, values=None, engine='ir.qweb', minimal_qcontext=False):""" Render the template. If website is enabled on request, then extend rendering context with website values. """self._handle_visibility(do_raise=True)new_context = dict(self._context)if request and getattr(request, 'is_frontend', False):editable = request.website.is_publisher()translatable = editable and self._context.get('lang') != request.website.default_lang_id.codeeditable = not translatable and editable# in edit mode ir.ui.view will tag nodesif not translatable and not self.env.context.get('rendering_bundle'):if editable:new_context = dict(s