pytorch

7f7ea685 - Revert D18672405: Use codegen'ed unboxing wrappers

Revert D18672405: Use codegen'ed unboxing wrappers Test Plan: revert-hammer Differential Revision: D18672405 Original commit changeset: bf2a7056082d fbshipit-source-id: b7ef1529fc266b4856e49e4dbd1fe8c7ba3d455d