Worked on the numpy/numpy repository to address a bug in the einsum path sorting logic, ensuring output indices are sorted by ASCII value for improved correctness. The approach involved implementing targeted bug fixes in Python and expanding test coverage with cross-dimensional scenarios to validate the new behavior. Refactored existing tests to comply with an 81-column style guideline, enhancing readability and maintainability of the codebase. Focused on test-driven development and code formatting, the work increased reliability of einsum computations and reduced nondeterminism in path selection, supporting more robust numerical computing and data analysis workflows within the NumPy ecosystem.