gradio==4.19.1 gunicorn==22.0.0 python-dotenv==1.0.0 langchain==0.1.10 langchain_openai==0.0.6 pinecone-client==3.0.2 sentence-transformers==2.6.0 huggingface-hub msal pyalex==0.13 networkx==3.2.1 pyvis==0.3.2 annoy==1.17.3 pdfplumber