Halfak added a comment.
That'd an old unmaintained utility. See https://github.com/halfak/MediaWiki-Utilities and more specifically, http://pythonhosted.org/mediawiki-utilities/lib/reverts.html#mw.lib.reverts.... for revert detection code.
TASK DETAIL https://phabricator.wikimedia.org/T89764
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To: Halfak Cc: Evanontario, Aklapper, jayvdb, Halfak, pywikipedia-bugs