Worked on improving error messaging for dynamic shape specialization in the pytorch/pytorch repository, focusing on clarifying the use of Dim.DYNAMIC and providing actionable alternatives for developers. Addressed a core bug by enhancing error handling logic in Python, which reduced debugging time and improved the overall developer experience. Updated multiple unit tests to ensure consistency with the new error messages and to maintain robust error handling across dynamic shape scenarios. Leveraged skills in debugging, error handling, and Python to deliver changes that had a cross-team impact, making it easier for developers to identify and resolve issues related to dynamic shape specifications.