streamlit==1.41.1 langchain==0.3.13 langchain-community==0.3.13 sentence-transformers==3.3.1 faiss-cpu==1.9.0.post1 PyPDF2==3.0.1 torch==2.5.1 transformers==4.47.1 pandas==2.2.3 numpy==1.26.4 pypdf==5.1.0 groq==0.15.0 python-dotenv