This also adds E402 (no imports at top of file) to the global ignore list. The
other error codes added were previously ignored by default, but now that we
have started a custom ignore list, need to be listed explicitly.
MozReview-Commit-ID: RtMuVEX6i5
--HG--
extra : rebase_source : 939bc9354f5891c680513d7e9068d0438e169132
This change was generated using the `autopep8` module [1]. To replicate:
$ pip install --upgrade autopep8
$ cd gecko
$ autopep8 -i -a -a -r testing/mochitest --exclude 'testing/mochitest/pywebsocket/*'
[1] https://github.com/hhatto/autopep8
--HG--
extra : rebase_source : fb127187cd488b977981338373d66cc8c735214f