pytorch

d0df29ac - [FX] Put inf and nan in globals instead of with an import string (#47035)

[FX] Put inf and nan in globals instead of with an import string (#47035) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/47035 Chillee thought the `from math import inf, nan` string at the top of `.code` was annoying so here's an alternative way to do it by putting those values in `globals` before we `exec` Test Plan: Imported from OSS Reviewed By: dzhulgakov Differential Revision: D24611278 Pulled By: jamesr66a fbshipit-source-id: c25ef89e649bdd3e79fe91aea945a30fa7106961