Mike Fulli maintained and enhanced the Holvi data import pipeline for the TampereHacklab/mulysa repository, focusing on adapting the import logic to Holvi’s updated 2025 export format. He updated header handling to ensure compatibility with new field names and improved error handling by catching KeyError during date parsing, which increased robustness against missing data. His work included adding targeted tests to validate the revised file structure, ensuring reliability and traceability at the commit level. Utilizing Python and Excel file handling, Mike demonstrated a methodical approach to data import and error management, delivering a focused update that addressed both compatibility and stability.