* Workaround to pass unit/ops/accelerators/test_accelerator_backward.py unit tests on ROCm

* Rearranged is_rocm_pytorch()

* Introduced is_rocm_pytorch() for ROCm

* Fixed formatting errors

* Function call

* formatting fix

---------
Co-authored-by: NLogan Adams <114770087+loadams@users.noreply.github.com>
Co-authored-by: NLogan Adams <loadams@microsoft.com>