fastapi uvicorn[standard] pydantic python-multipart flask flask_cors python-socketio python-jose passlib[bcrypt] uuid requests aiohttp peewee bcrypt litellm apscheduler google-generativeai langchain langchain-community fake_useragent chromadb sentence_transformers pypdf docx2txt unstructured markdown pypandoc pandas openpyxl pyxlsb xlrd rapidocr-onnxruntime opencv-python-headless faster-whisper PyJWT pyjwt[crypto] black