gradio==6.17.3 langchain==0.1.17 langchain-community==0.0.36 faiss-cpu==1.8.0 sentence-transformers==2.7.0 pydantic>=2.7.0 requests==2.31.0 readability-lxml==0.8.1 lxml_html_clean>=0.4.3 python-docx==1.1.0 pypdf==4.2.0 anthropic==0.23.1 openai==1.25.0 httpx==0.27.2 google-generativeai==0.7.2 python-dotenv==1.0.1 cohere==5.5.5 pytest==8.2.0