升级LangChain框架到最新版本

使用下面的命令显示langchain包的详细信息，如版本、安装路径、作者等。

pip show langchain

Name: langchain

Version: 0.1.0

Summary: Building applications with LLMs through composability

Home-page: https://github.com/langchain-ai/langchain

Author:

Author-email:

License: MIT

显示当前版本为：0.1.0

安装或更新langchain包到最新版本：

pip install --upgrade langchain

Requirement already satisfied: langchain in ./opt/anaconda3/lib/python3.9/site-packages (0.1.0)

Collecting langchain

Downloading langchain-0.1.14-py3-none-any.whl (812 kB)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 812.8/812.8 kB 81.3 kB/s eta 0:00:00

Collecting langchain-community<0.1,>=0.0.30

Downloading langchain_community-0.0.31-py3-none-any.whl (1.9 MB)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.9/1.9 MB 55.8 kB/s eta 0:00:00

Requirement already satisfied: aiohttp<4.0.0,>=3.8.3 in ./opt/anaconda3/lib/python3.9/site-packages (from langchain) (3.8.5)

Requirement already satisfied: jsonpatch<2.0,>=1.33 in ./opt/anaconda3/lib/python3.9/site-packages (from langchain) (1.33)

更新完成之后，再次检查langchain版本：