langchain==0.1.0 torch==2.1.0 faiss-cpu==1.7.4 git+https://github.com/huggingface/transformers accelerate==0.26.0 sentence-transformers==2.2.2 gradio==4.14.0 langchain-experimental==0.0.49 pypdf==3.17.4 python-dotenv==1.0.0 tabulate llama-cpp-python