langchain==0.1.8 torch==2.1.0 faiss-cpu==1.7.4 git+https://github.com/huggingface/transformers accelerate==0.27.2 sentence-transformers==2.3.1 gradio==4.19.1 langchain-experimental==0.0.49 pypdf==4.0.2 python-dotenv==1.0.0 tabulate llama-cpp-python==0.2.45