gradio==4.37.2 pypdf==4.2.0 langchain==0.2.3 langchain-community==0.2.4 langchain-core==0.2.5 nltk==3.8.1 PyMuPDF==1.24.5 transformers==4.42.3 torch==2.3.1 torchvision==0.18.1 torchaudio==2.3.1 scikit-learn==1.3.0