langchain==0.0.237 openai sentence_transformers chromadb fschat transformers torch~=2.0.0 fastapi~=0.99.1 loguru fastapi-offline nltk~=3.8.1 uvicorn~=0.23.1 starlette~=0.27.0 numpy~=1.24.4 pydantic~=1.10.11 unstructured[local-inference] streamlit>=1.25.0 streamlit-option-menu