pymupdf paddlepaddle==2.4.2 paddleocr langchain==0.0.146 transformers==4.27.1 unstructured[local-inference] layoutparser[layoutmodels,tesseract] nltk sentence-transformers beautifulsoup4 icetk cpm_kernels faiss-cpu accelerate gradio==3.28.3 fastapi uvicorn peft pypinyin bitsandbytes tabulate