Worked on the vllm-project/llm-compressor repository to modernize type annotations in the sparsification info module, aligning the codebase with Python 3.10+ standards. Focused on replacing legacy typing constructs with updated syntax, the work improved code readability and maintainability without affecting runtime behavior or introducing user-facing changes. Utilized Python and static type checking tools to validate updates across multiple module files, ensuring stability and adherence to project guidelines. This effort reduced technical debt and prepared the code for safer future refactoring, supporting easier onboarding for new contributors. The work demonstrated skills in Python, software development, and advanced type hinting.