Flask==2.2.3 Werkzeug==2.2.3 SQLAlchemy==2.0.9 psycopg2-binary==2.9.6 python-dotenv==1.0.0 chromadb==0.4.6 zulip==0.8.2 google-generativeai==0.3.1 ollama==0.1.5 nomic==2.0.3 cohere==5.15.0 rank-bm25==0.2.2 nltk==3.8.1 openai==1.30.4