Add numpy like repeat as torch.repeat_interleave (#18395)
Summary:
Fixes: https://github.com/pytorch/pytorch/issues/14093
cc: SsnL
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18395
Differential Revision: D14599509
Pulled By: umanwizard
fbshipit-source-id: 2391a1cc135fe5bab38475f1c8ed87c4a96222f3
