GitLab

* Replacing numpy's unique with custom implementation

* Added docstring to the new function.

* Adding unit tests

* Numpy's version issues with the 'kind' argument.

* Addressing CI Test Failure.

* Addressing CI review comments.

* revised implementation, optimized for time.

* added missing arguments for fallback case.

* Addressing CI test failures.

* Resolving issues with PYTHONPATH

* Fix CI Test Failure issues.

* fix CI test failures.

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Co-authored-by: Rhett Ying <85214957+Rhett-Ying@users.noreply.github.com>