General docu improvements

[OrtnerMichael]

just fixing minor bugs

[OrtnerMichael]

@Alexboiboi any idea ? at home everything is pass and pyling is 10/10

[Alexboiboi]

Tests are failing on CI, because of a new version of pylint which came out very recently. I already mentioned this in #584 and fixed the linting issues there. If we merge #584 first and then pull from main into your PR branch, it should be fine

[codecov-commenter]

Codecov Report

Merging #585 (a4f7892) into main (3f35c75) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main     #585   +/-   ##
=======================================
  Coverage   99.78%   99.78%           
=======================================
  Files          52       52           
  Lines        5658     5658           
=======================================
  Hits         5646     5646           
  Misses         12       12           

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[Alexboiboi]

Since some time the tests are randomly failing on matplotlib plotting. Rerunning the failed test solves the problem but this is a bit annoying