Steps on Ubuntu 22.04:

  • Create a virtual environment, install required packages:
    • python3 -m venv ~/.venv/flask-langchain
    • . ~/.venv/flask-langchain/bin/activate
    • pip install langchain[llms]==0.0.229 # By now this has been superseded
    • pip install flask==2.3.2
    • pip install openai faiss-cpu requests beautifulsoup4 tiktoken