The issue you're experiencing is due to the fact that the RunnableLambda class does not have a run method defined. Instead, it has several other methods like invoke, ainvoke, batch, abatch, stream, ...

核心概念： - RunnableLambda：将函数转换为 Runnable 的包装器 - Callable：Python 中的可调用对象接口 - 自定义数据转换：在链中插入自定义的数据处理逻辑 """ import os from typing import Any, Dict from dotenv import load_dotenv from ...