gradio==3.50.2 accelerate pypdf chromadb==0.4.10 sentence_transformers==2.2.2 langchain==0.0.299 xformers==0.0.21 tokenizers==0.14.0 optimum==1.13.1 auto-gptq==0.4.2 --extra-index-url https://huggingface.github.io/autogptq-index/whl/cu118/ unstructured==0.10.16