Worked on the home-assistant/core repository to upgrade the pysma library to version 1.0.2, focusing on enhancing the integration of SMA-related classes. The approach involved introducing static type checking and aligning imports and usages, which improved the maintainability and reliability of the SMA integration within Home Assistant. Leveraged Python and type hinting to enable static analysis, reducing the likelihood of runtime errors and supporting future enhancements. Demonstrated skills in dependency management and Home Assistant integration patterns, ensuring that the updated library fit seamlessly into the existing codebase. No major bugs were reported or fixed during this period, reflecting focused feature delivery.