Worked on the huggingface/smol-course repository to deliver a feature focused on dependency deduplication within the requirements.txt file. Addressed the issue of duplicate package entries by ensuring each dependency appeared only once, which improved build determinism and reduced the risk of version conflicts across development, CI, and production environments. Utilized skills in Python packaging and dependency management to implement this change, resulting in more reproducible and stable environments. The approach emphasized code hygiene and operational efficiency, aligning with best practices for package management. This work contributed to more reliable CI pipelines and streamlined the process of maintaining Python project dependencies.