Worked on the spacetelescope/jwst repository to improve the reliability of code coverage analysis by addressing issues caused by cv2-related errors. Focused on configuration management, the developer excluded specific configuration files—config.py and config-3.py—from coverage calculations, which previously triggered exceptions and led to inconsistent CI results. This targeted bug fix, implemented in Python and TOML, resulted in cleaner coverage metrics and reduced maintenance overhead for the project. The approach demonstrated careful commit hygiene, with a well-scoped change that provided immediate benefits to the continuous integration process, ensuring faster feedback cycles and more stable automated testing for the development team.