fastapi>=0.68.0,<0.69.0 pydantic>=1.8.0,<2.0.0 uvicorn>=0.15.0,<0.16.0 langchain==0.1.9 sentence-transformers==2.5.1 unstructured==0.12.5 pypdf==4.0.2 pymongo>=3.11 tiktoken==0.6.0 langchain-openai==0.0.8 tensorflow===2.15.0 python-dotenv upstash-redis librosa soundfile opensmile eyeD3 matplotlib python-multipart ffmpeg-python noisereduce scikit-learn==1.2.2