XZise added a comment.
Oh I usually look at the end of a stack trace and work my way up… overlooked the first line. That error might be related but only in a sense that Python 3 changed how `str` works. Unfortunately that error line isn't really helpful (except that it occurred somewhere else).
TASK DETAIL https://phabricator.wikimedia.org/T91921
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To: XZise Cc: gerritbot, XZise, Sitic, Aklapper, Dalba, jayvdb, pywikipedia-bugs