langchain>=0.1.6 openai==1.14.2 tiktoken==0.5.1 chromadb>=0.4.22 pandas==2.1.1 streamlit==1.27.2 python-dotenv==1.0.0 pypdf==3.16.4 python-multipart==0.0.6 matplotlib==3.8.3 umap-learn==0.5.5 ipython librosa future yt-dlp