Worked on the huggingface/open-r1 repository to enhance reliability and data handling by addressing two critical bugs. Focused on improving Python-based data preprocessing and configuration management, the developer corrected input handling in the get_reward_funcs utility, ensuring it now processes the complete script_args object for accurate reward function lookups. Additionally, they introduced a configurable prompt column for dataset parsing, allowing the system to flexibly handle datasets lacking a default 'problem' field. Through careful refactoring and maintainable commits, these changes reduced friction in experimentation and broadened dataset compatibility, contributing to a more robust and extensible codebase for future development.