zhuyifei1999 added a comment.
@valhallasw do you mean there's a log file or something? I find no change to stdout or stderr with that code added.
TASK DETAIL https://phabricator.wikimedia.org/T99366
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To: zhuyifei1999 Cc: valhallasw, XZise, Aklapper, zhuyifei1999, jayvdb, pywikipedia-bugs