transformers==4.37.2 optimum==1.12.0 auto-gptq langchain==0.1.9 sentence_transformers==2.4.0 unstructured pdf2image pdfminer.six==20221105 unstructured-inference faiss-gpu==1.7.2 pikepdf==8.13.0 pypdf==4.0.2 pillow_heif==0.15.0 gradio