LangGraph学习笔记（一）：langgraph安装

最新的python项目管理方式是uv：

https://blog.csdn.net/wtl1992/article/details/147780843

https://blog.csdn.net/wtl1992/article/details/148577384

下面我来演示uv安装langgraph：

首先创建一个pyproject.toml：

[project]
name = "langgraph_demo"
version = "0.1.0"
description = "langgraph demo"
readme = "README.md"
requires-python = ">=3.13"

uv add --upgrade "langgraph-cli[inmem]"