Install

pip install langchain pypdf2 python-dotenv streamlit
pip install tiktoken
pip install faiss-cpu

For multiple pdfs:

pip install huggingface_hub

For local embeddings with instructor-1:

pip install InstructorEmbedding sentence_transformers

Source

https://bennycheung.github.io/ask-a-book-questions-with-langchain-openai https://www.youtube.com/watch?v=dXxQ0LR-3Hg

Run

streamlit run app.py