Comments (3)
susirial
commented on August 29, 2024
该项目使用的langchain版本是旧的版本，你需要
【1】从一个新环境开始安装 （环境中没有安装过langchain）
【2】通过poetry install (不需要手动安装langchain包) 安装
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fengyunzaidushi
commented on August 29, 2024
是的，新建一个虚拟环境，根据最新的安装包，可以解决！
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susirial
commented on August 29, 2024
from langgraph.checkpoint import CheckpointAt 作者你好，在from langgraph.checkpoint 我没有找到CheckpointAt
我更新了 requirements.txt ，再安装一下试试，pip install -r requirements.txt
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