pytorch

227d1a43 - Revert D18838848: disable __torch_function__ overides for operators in torch.functional

Revert D18838848: disable __torch_function__ overides for operators in torch.functional Test Plan: revert-hammer Differential Revision: D18838848 Original commit changeset: 22b8015d7b2f fbshipit-source-id: fdaeffcd112990ed379782cf7216d3f1beeb2cb1