python-dotenv==1.0.0 langchain==0.0.344 langchain-core==0.0.8 accelerate==0.25.0 sentence-transformers==2.2.2 sentence-transformers==2.2.2 transformers==4.35.2 faiss-gpu==1.7.2 pypdf==3.17.1 gradio==4.7.1 gradio_client==0.7.0 fastapi==0.104.1