I've enabled Proposed for the PPA and rerun the problematic build, and I can confirm that the problem has gone away. Thanks! :-)
https://code.launchpad.net/~takluyver/+recipe/matplotlib-daily -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310728 Title: face_flags overridden, leading to double free To manage notifications about this bug go to: https://bugs.launchpad.net/freetype/+bug/1310728/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs