Issue #554: Model vignette fixes

[athowes]

Description

This PR closes #554. Self-explained.

Pre-commit is currently failing everywhere. Considering new issue / fix.

Checklist

• My PR is based on a package issue and I have explicitly linked it.
• I have included the target issue or issues in the PR title in the for Issue(s) issue-numbers: PR title
• I have read the contribution guidelines.
• I have tested my changes locally.
• I have added or updated unit tests where necessary.
• I have updated the documentation if required.
• My code follows the established coding standards.
• I have added a news item linked to this PR.
• I have reviewed CI checks for this PR and addressed them as far as I am able.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.66%. Comparing base (e657990) to head (dbb874a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #555   +/-   ##
=======================================
  Coverage   95.66%   95.66%           
=======================================
  Files          17       17           
  Lines        1015     1015           
=======================================
  Hits          971      971           
  Misses         44       44           

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[seabbs]

Nice ty