XZise claimed this task. XZise added a comment.
It's my fault in https://phabricator.wikimedia.org/rPWBC31cd9fdcfc4cf53588ae2b866a293ddd2a0d5.... It assumed the imageinfo from the upload is a list but it's actually just one dict. I'll have a patch shortly.
TASK DETAIL https://phabricator.wikimedia.org/T100627
EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/
To: XZise Cc: XZise, Legoktm, Mpaa, jayvdb, Aklapper, pywikipedia-bugs