Worked on the Azure/azure-sdk-for-python repository, focusing on enhancing the Azure Purview Workflow SDK through targeted code refactoring and type hinting improvements. Updated type annotations to align with Pyright 1.1.389, which strengthened static analysis and improved overall code quality. Removed the unused _format_url_section function, simplifying the codebase and reducing maintenance overhead. Leveraged Python and modern type hinting practices to increase maintainability and support more reliable continuous integration checks. These changes laid the groundwork for future type-safety enhancements and streamlined onboarding for new contributors, reflecting a methodical approach to maintainable, high-quality Python development within a large-scale SDK project.