9484-fix-windows-filepath-unit-tests (#10089)
* 9484-fix-windows-filepath-unit-tests
* lint
* consistent
* changes
* use pathlib
* changes
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Co-authored-by: Yuval Jacobson <yuvalj@liveu.tv>
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>
