Redundant schema registration Prevention for Manually Boxed Wrappers (#38588)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/38588
Test Plan: Imported from OSS
Reviewed By: ezyang
Differential Revision: D21508186
Pulled By: MohammadMahdiJavanmard
fbshipit-source-id: 1fc8f29d0eb107f847d3ae90e6728c38337f2808
