langchain langchain-core langchain-community langchain-openai langchain-mistralai langchain-text-splitters llama-index==0.14.5 llama-index-llms-langchain==0.7.1 datasets==4.1.0 ragas==0.3.5 langgraph==0.6.7 gradio==5.46.0 python-dotenv==1.1.1 nbformat==5.10.4 nbconvert==7.16.6 pypdf==6.0.0 unstructured[docx,pptx,html,md]==0.18.15 pinecone==7.3.0 plotly