Joshua MacEachern focused on improving the reliability of the Flagging Module in the radiocosmology/draco repository by addressing a critical bug in the ApplyGenericMask task. Using Python, he identified and corrected a typo that previously caused incorrect attribute access for mask axes, which had the potential to disrupt data processing workflows and lead to misinterpretation of results. His approach emphasized code refactoring and traceability, ensuring the fix was well-documented and auditable. Although the work centered on a single bug fix rather than new feature development, it contributed to more robust and trustworthy data masking and downstream analysis processes.