langchain langchain-community langchain-huggingface beautifulsoup4 google-generativeai==0.7.2 pandas transformers==4.41.2 torch --extra-index-url https://download.pytorch.org/whl/cu121 llama-cpp-python --extra-index-url https://abetlen.github.io/llama-cpp-python/whl/cu121 sentence_transformers==3.0.1 faiss-cpu==1.7.4 pypdf python-docx keybert span_marker #gensim gradio nltk bm25s PyStemmer scipy<1.13 numpy==1.26.4 boto3