Worked on enhancing the stability of the pulpcore repository by addressing a critical issue in the downloader configuration pathway. Focused on backend development using Python, the work involved refining error handling for JSON decoding by implementing the correct exception class, JSONDecodeError. This adjustment ensured that invalid JSON inputs no longer destabilized the downloader configuration, thereby reducing runtime errors and improving reliability during deployment and automation. The solution demonstrated attention to robust data serialization practices and careful exception management, resulting in fewer downstream failures when encountering malformed configuration data. The contribution reflects a methodical approach to improving backend reliability and maintainability.