markdownify requests duckduckgo_search pandas #sentence_transformers langchain langgraph litellm==1.63 openai==1.61.0 dspy llama-index faiss-cpu tavily-python #GRAPHRAG #llama-index-llms-litellm #llama-index-llms-huggingface-api #huggingface_hub[inference] networkx matplotlib langchain-experimental langchain-groq langchain-community pandas #gradio-client pillow numpy #KNOWLEDGE GRAPH graphviz pydantic instructor[groq]