issue using plot_lcppn_explainer.ipynb sample script

[colton-vp]

Describe the bug
I have downloaded the plot_lcppn_explainer.ipynb notebook and am trying to run it locally. I am able to train and predict the classifier, but I get an error when defining the explainer.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://hiclass.readthedocs.io/en/latest/auto_examples/plot_lcppn_explainer.html and download thw plot_lcppn_explainer.ipynb notebook.
2. Open the notebook and try to run the code. I split up the main cell and found the bug at the #Define Explainer portion of the script.
3. See error

Expected behavior
I expected to see the example plot that is shown on the download page.

Screenshots

Desktop (please complete the following information):

• OS: MacOS 15.0, M1 Pro
• Python 3.11.9

Additional context
Add any other context about the problem here.