pytorch

47ce41e7 - [dtensor] remove DeviceMesh typing hack guard type imports (#97889)

[dtensor] remove DeviceMesh typing hack guard type imports (#97889) This PR relands https://github.com/pytorch/pytorch/pull/94526 and tries to guard the type import for older version numpy Pull Request resolved: https://github.com/pytorch/pytorch/pull/97889 Approved by: https://github.com/fegin