langchain==0.0.274 streamlit==1.18.1 altair<5 gpt4all==1.0.8 chromadb==0.4.7 urllib3==2.0.4 PyMuPDF==1.23.1 python-dotenv==1.0.0 unstructured==0.10.8 extract-msg==0.45.0 tabulate==0.9.0 pandoc==2.3 pypandoc==1.11 tqdm==4.66.1 sentence_transformers==2.2.2 pypdf