After some experimentation, I found that installing python3-gi-cairo 3.8.2-1 solved the problem. Seems like a dependency problem.
-- Bruno Schneider http://www.dcc.ufla.br/~bruno/ -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
