Not a bug. I had a non-Ubuntu copy of matplotlib in ~.local/lib/python2.7 which was causing this error.
** Changed in: matplotlib (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1712326 Title: Can't plot with GTKCairo or GTKAgg backends any more To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/matplotlib/+bug/1712326/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs