During December 2024, Jeas focused on backend development and database management for the odoo/upgrade-util repository, addressing reliability and safety in the module upgrade tooling. Jeas implemented a targeted fix in Python to resolve ForeignKeyViolation errors that occurred during module uninstallation, specifically when removing res.groups records with ondelete=restrict relationships. By leveraging the remove_group utility, Jeas ensured that uninstalling modules would no longer result in data conflicts, making the process safer and more predictable for environments with complex group ownership. This work demonstrated a deep understanding of Odoo development and contributed to the maintainability of the upgrade tooling codebase.