pip install langgraph==0.2.74
pip install langchain-openai==0.3.6
pip install langchain-community==0.3.19
pip install langchain-chroma==0.2.2
pip install pdfminer
pip install pdfminer.six
pip install nltk==3.9.1
pip install psycopg2==2.9.10
pip install concurrent-log-handler==0.9.25
pip install langgraph-checkpoint-postgres
pip install psycopg psycopg-pool
完全按照项目提供的安装
pg库是服务器本身就装着的17
报错截图:
看不出问题在哪
