Krzysztof Sobolewski modernized Python scripts in the apache/ranger repository to ensure compatibility with Python 3, focusing on database setup and utility scripts. He updated import statements and improved cross-platform command string handling, reducing dependencies on Python 2 and addressing end-of-life risks. Using Python and leveraging his skills in database administration and system administration, Krzysztof enhanced the maintainability and reliability of Ranger’s internal tooling. His work established a clear change record linked to RANGER-5147, supporting auditability and safer rollbacks. This modernization enables Ranger to be deployed in Python 3-only environments and lays groundwork for future technical improvements.