pytorch

c42f3f90 - Revert D15008160: Enable assignment for QTensor in pytorch frontend

Revert D15008160: Enable assignment for QTensor in pytorch frontend Differential Revision: D15008160 Original commit changeset: 5f1166246d76 fbshipit-source-id: 24c7350431ae6a87199d6e3f7ffbbc8ec7d3c28b