Worked on the JetBrains/rules_python repository to address dependency resolution issues in read-only environments. Focused on stabilizing pip_compile by modifying its file handling approach, replacing shutil.copy with shutil.copyfileobj to ensure temporary files inherit correct permissions when requirements.txt is read-only. This targeted Python development improved build stability and reproducibility, particularly in CI and production pipelines where file system restrictions are common. The solution maintained compatibility with existing workflows and introduced minimal changes, allowing for straightforward rollback if necessary. Demonstrated expertise in dependency management and file handling, delivering a precise bug fix that enhanced the reliability of Python-based dependency workflows.