Xqt added a comment.
Ah and btw the Error message is wrong. The missing key is 'new_title' There is a patch in review: I610540df99fd6f5a77f0cfc8702555c2a082307a Either you may try it or wait until the patch is released
TASK DETAIL https://phabricator.wikimedia.org/T100424
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To: Xqt Cc: Xqt, Aklapper, Rubin16, jayvdb, pywikipedia-bugs