* Initial plan

* Fix pt.flip to handle negative axis correctly using normalize_axis_tuple
Co-authored-by: ricardoV94 <28983449+ricardoV94@users.noreply.github.com>

* Expand existing test_flip function to include negative axis tests
Co-authored-by: ricardoV94 <28983449+ricardoV94@users.noreply.github.com>

* Fix mypy error by using separate variable for normalized axis
Co-authored-by: ricardoV94 <28983449+ricardoV94@users.noreply.github.com>

* Fix ruff formatting issues
Co-authored-by: jessegrabowski <48652735+jessegrabowski@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: ricardoV94 <28983449+ricardoV94@users.noreply.github.com>
Co-authored-by: jessegrabowski <48652735+jessegrabowski@users.noreply.github.com>