It also happens with gtk 2, but I can't tell which version of gdk is used with either. See post 6,7. I had to install gtk2 to make the computer vision code work.
http://forums.devshed.com/python-programming-11/sudoku-solver-school- project-error-help-934125.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061554 Title: assertion failure `trap != NULL' displayed by all GTK3 software To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1061554/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs