torch==1.10.0 torchvision opencv-python timm pdfminer.six pdf2image pypdf2 spacy pytesseract transformers==4.20 sentence-transformers https://dl.fbaipublicfiles.com/detectron2/wheels/cpu/torch1.10/detectron2-0.6%2Bcpu-cp38-cp38-linux_x86_64.whl gradio