fig.canvas.mpl_connect('key_press_event', ...) does not work anymore with matplotlib 3.10. I compiled the following example to demonstrate this (run in a jupyter notebook): %matplotlib widget import ...

Get a line like [<matplotlib.lines.Line2D at 0x7f610447e140>] when trying to plot, and an 'empty' plot which seems to have a toolbar of button, but no content. Failed to fetch ipywidgets through the ...