huggingface_hub==0.25.2 langchain==0.3.7 langchain-community== 0.3.7 langchain-core==0.3.18 langchain_huggingface langchain-openai==0.2.8 langchain-text-splitters==0.3.2 scikit-learn==1.3.2 sentence-transformers==3.3.1 pypdf