Use new dlpack api; Formatting fixes (#7101)
Fix CI issues by using new dlpack
[api](https://pytorch.org/docs/stable/_modules/torch/utils/dlpack.html#from_dlpack)
Minor pre-commit fixes.
Signed-off-by: Olatunji Ruwase <olruwase@microsoft.com>
Signed-off-by: Logan Adams <loadams@microsoft.com>
