pytorch

6dd6b0bf - Revert D19900566: [pytorch][PR] Simplify prim::shape when we have complete tensor types.

Revert D19900566: [pytorch][PR] Simplify prim::shape when we have complete tensor types. Test Plan: revert-hammer Differential Revision: D19900566 Original commit changeset: c8eaad70c8ea fbshipit-source-id: 764f2139fdf19f22a397694d011078ec525f5e8a