Fix deprecated error in active learning tutorials

[KumoLiu]

Fixes #1843

Description

A few sentences describing the changes proposed in this pull request.

Checks

• Avoid including large-size files in the PR.
• Clean up long text outputs from code cells in the notebook.
• For security purposes, please check the contents and remove any sensitive info such as user names and private key.
• Ensure (1) hyperlinks and markdown anchors are working (2) use relative paths for tutorial repo files (3) put figure and graphs in the ./figure folder
• Notebook runs automatically ./runner.sh -t <path to .ipynb file>

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[KumoLiu]

Hi @finalelement, could you please help review this update in the active learning tutorials? Thanks.

[ericspod]

Whoops, might have merged too eagerly. @finalelement if you had any further comments we can integrate them into a subsequent PR, thanks.

[finalelement]

@ericspod I think you made a good call, @KumoLiu the changes look benign and do not seem that would cause any harm. Thank you for updating the tutorial.