During May 2025, Flyingfish focused on improving the reliability of model training configuration parsing for the unslothai/unsloth-zoo repository. They addressed a bug in training_utils.py by refining a regular expression that converts layer indices in model names from dot notation to bracket notation, using their expertise in Python and regular expressions. This targeted fix prevented misconfigured training runs and reduced downstream failures in model training pipelines. By linking the solution to a specific issue and commit, Flyingfish ensured traceability and maintainability. Their work demonstrated depth in debugging and model training, contributing to more stable and automated training workflows.