pandas>=2.0.0 numpy>=1.24.0 requests>=2.31.0 beautifulsoup4>=4.12.0 PyPDF2>=3.0.0 python-docx>=1.0.0 langchain>=0.1.0 sentence-transformers>=2.2.2 transformers>=4.36.0 faiss-cpu>=1.7.4 torch>=2.0.0