Ignore .numpy() under FakeTensorMode() (#120261)
Summary:
Fixes #120259
X-link: https://github.com/pytorch/pytorch/pull/120261
Approved by: https://github.com/jansel
Reviewed By: jeanschmidt
Differential Revision: D54123967
fbshipit-source-id: 1e41321385fc5f8924e26775ddf6a6292c2ad6c6
