Worked on the NVIDIA/garak repository to enhance calibration file workflows by introducing pathlib.Path support for file handling in Python. Focused on refactoring the calibration module to improve path management, the developer addressed path resolution issues that previously led to runtime errors, ensuring more reliable cross-environment behavior. The changes emphasized robust error handling and maintainability, making the calibration process easier to test and extend in the future. By leveraging Python’s pathlib and unit testing practices, the work contributed to a more stable and maintainable codebase, specifically targeting the reliability of calibration file operations across different operating systems and environments.