pytorch

5bafb64e - Revert D15039713: [pytorch][PR] add torch.tensor requires grad

Revert D15039713: [pytorch][PR] add torch.tensor requires grad Differential Revision: D15039713 Original commit changeset: 47f1931b6fc4 fbshipit-source-id: fd91ce8ddd6d2f4e0016054dcdc2541dacc0e191