Fix javascript-ism bug in python
Fix javascript-ism bug in python

Test Plan: lint

dropbox/changes,bowlofstew/changes,wfxiang08/changes,wfxiang08/changes,bowlofstew/changes,dropbox/changes,bowlofstew/changes,wfxiang08/changes,dropbox/changes,wfxiang08/changes,bowlofstew/changes,dropbox/changes