Fix plotting tools

[rs028]

A little time to kill in between flights... this is meant to resolve the issues in #269.

[codecov[bot]]

Codecov Report

Merging #490 (d7a20b6) into master (739879e) will not change coverage. The diff coverage is n/a.

Additional details and impacted files

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[rs028]

@spco, this is starting to be annoying... in PR #482, all the macos tests fail. On this PR only one test for macos12 fails (and for a different reason... the codebase is basically the same! 😡

[rs028]

I will merge this, even though thte tests fails, since it only changes the plotting tools, which are independent from the rest of the code.