Worked on modernizing the Python import system within the Shopify/grpc repository to enhance runtime reliability and ensure compatibility with Python 3.12 and future versions. Refactored legacy code by replacing the deprecated find_module() method with importlib.util.find_spec() and module_from_spec(), aligning the codebase with current Python import patterns. Introduced robust error handling and detailed assertion messages to improve diagnostics for module loading failures, thereby reducing the risk of import-time errors in downstream services. Focused on maintenance and refactoring using Python and Importlib, the work strengthened the repository’s foundation for ongoing updates and improved overall service stability.