gradio >=4.44.0 requests langchain langchain-community langchain-core langchain-google-genai langchain-huggingface langchain-groq langchain-tavily langchain-chroma langgraph huggingface_hub >=0.26.0 supabase arxiv pymupdf wikipedia pgvector python-dotenv pandas numpy ddgs groq unstructured[all-docs] opencv-python beautifulsoup4 PyPDF2 openai-whisper langchain-openai langchain-google-genai yt-dlp ffmpeg