Closing as not a unlikely a Matplotlib bug. Next time, please produce a minimal, self-contained, working example that is not from inside an interactive session.

Advanced Matplotlib Concepts In this section we cover some more advanced topics which you won't usually use as often.

It can be nice to add atomic images directly to a figure made in pyplot (i.e., matplotlib). This is pretty simple to do using the tools of ASE. Here we just show a very simple example of plotting a ...

If you already have a plot generated with Matplotlib, activating xkcd-mode is as simple as calling a method on the pyplot object: matplotlib.pyplot.xkcd() ...