Zeynep Su Selcuk focused on improving code quality in the RNO-G/mattak repository by refactoring the dataset.py module using Python. She identified and removed a redundant initialization of the _lowTrigThrs variable, which was previously assigned None before being overwritten by a new array. This targeted change enhanced code readability and maintainability without altering existing functionality or breaking compatibility, as all tests continued to pass. By applying disciplined code refactoring practices, Zeynep reduced technical debt and simplified future enhancements, supporting faster onboarding for new contributors and enabling more efficient feature development within the Python-based codebase. No bugs were addressed this period.