[FX] Lint pass for Graphs (#44973)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44973
Test Plan: Imported from OSS
Reviewed By: zdevito
Differential Revision: D23792631
Pulled By: jamesr66a
fbshipit-source-id: d8faef0c311d8bd611ba0a7e1e2f353e3e5a1068
