def update_item(item_id): item = MenuItem.get_by_id(item_id) if item is None: raise ApiError("item is not exist") if request.method == 'DELETE': session.delete(item) session.commit() return jsonify(success=True) dict = request.json.get('properties') print(dict) print(str(dict)) item.properties = str(dict) session.add(item) session.commit() return jsonify(item.serialize)