PyPDF2==3.0.1 langchain==0.2.5 langchain_community==0.2.5 chainlit==0.7.700 langchain_openai==0.1.9 pydantic<2.0.0,>=1.8.0 dataclasses-json==0.5.7 llama-index==0.10.12 llama-index-llms-groq==0.1.3 groq==0.4.2 python-dotenv==1.0.1 llama-index-embeddings-huggingface==0.2.0 nltk==3.8.1 yfinance==0.2.54 uvicorn[standard] chromadb fastapi tabulate