pytorch

91c1d728 - Revert D14109636: [pytorch][PR] move prim::None to a case in prim::Constant

Revert D14109636: [pytorch][PR] move prim::None to a case in prim::Constant Differential Revision: D14109636 Original commit changeset: d26fd3839761 fbshipit-source-id: c8c8113e2bff49ea93235732603e6ebc89356533