I've been experiencing the same error. It looks to have already been reported at matplotlib (https://github.com/matplotlib/matplotlib/issues/8441/) and sounds like python-matplotlib was built from a wheel rather than source with the gdk2 header files?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768183 Title: matplotlib is not available, graph is not shown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pondus/+bug/1768183/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
