In message <1573025028.22.0.786040366562.issue2550926@roundup.psfhosted.org>,
Thomas Arendsen Hein writes:

>Regarding the patch:
>You're using db.msg.get(firstmessageid, 'author'), but the issue
>itself already has an author attribute, which I think should be
>used instead.

Code changed to use creator (same as author of first message
usually). Good idea.