pep8 noise reduction (No bug)
pep8 noise reduction (No bug)

--HG--
extra : rebase_source : 57bd10bf06b86f6dd648bc3b759910466a32a6b9
extra : histedit_source : 0086becf562a25ec0011546c0eb595cd643f5228

mozilla/build-mozharness,mozilla/build-mozharness,lissyx/build-mozharness,lissyx/build-mozharness