openai==1.9.0 unstructured==0.6.2 tiktoken==0.5.2 html2text requests-html==0.10.0 bs4==0.0.1 zenrows==1.3.1 markdownify==0.12.1 gradio seleniumbase==4.23.2 lxml==4.9.2 python-dotenv==1.0.0