Add unit-test to ensure that config.json doesn't have tab characters. We use PEP8 style guidelines, which says "Spaces are the preferred indentation method." https://www.python.org/dev/peps/pep-0008/#tabs-or-spaces
Created attachment 423588 [details] Patch
<rdar://problem/75832376>
Committed r275018: <https://commits.webkit.org/r275018> All reviewed patches have been landed. Closing bug and clearing flags on attachment 423588 [details].