Christian Vedel focused on improving the stability of notebook-based workflows in the ess-dmsc-dram/dmsc-school repository during March 2025. He addressed a critical bug affecting Jupyter Notebook users by correcting the import path for the Parameter class, ensuring that notebooks now load easyscience.Objects.variable instead of easyscience.Objects.new_variable. This targeted fix, implemented using Python and Jupyter Notebook, resolved persistent execution errors and enhanced the reliability of onboarding for data scientists working with the easyscience library. While the work was limited to a single bug fix, it demonstrated careful attention to cross-notebook compatibility and contributed to a smoother user experience for the team.