numpy cython pandas scikit-learn==1.2.2 streamlit torch transformers huggingface-hub pdfplumber nltk PyPdf2 xlsxwriter gitpython pathlib gradio Werkzeug==2.0.3 spacy==3.7 tensorflow https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-3.7.0/en_core_web_sm-3.7.0.tar.gz