requests==2.27.1 streamlit==1.28.0 streamlit_book==0.7.5 st-pages tf-keras datasets faiss-cpu==1.7.2 langchain langchain-community pypdf2==3.0.1 pypdf chromadb unidecode==1.3.6 torch==2.0.1 tqdm==4.66.1 accelerate==0.23.0 huggingface-hub==0.17.3 nltk sentence-transformers==2.2.2 transformers==4.30.2 keras