fixed pca.py errors

[nataliyah123]

Partially fixes #3925

Changes made in this Pull Request:

• Fixed setup errors (pca.py)
• Fixed unmatched outputs (pca.py)

PR Checklist

• Tests?
• Docs?
• CHANGELOG updated?
• Issue raised/referenced?

Developers certificate of origin

• I certify that this contribution is covered by the LGPLv2.1+ license as defined in our LICENSE and adheres to the Developer Certificate of Origin.

[pep8speaks]

Hello @nataliyah123! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2024-02-14 06:32:10 UTC

[github-actions]

Linter Bot Results:

Hi @nataliyah123! Thanks for making this PR. We linted your code and found the following:

There are currently no issues detected! 🎉

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e189a90) 93.37% compared to head (e924efe) 93.38%.
Report is 5 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##           develop    #4457     +/-   ##
==========================================
  Coverage    93.37%   93.38%             
==========================================
  Files          171      185     +14     
  Lines        21736    22858   +1122     
  Branches      4012     4014      +2     
==========================================
+ Hits         20297    21346   +1049     
- Misses         952     1025     +73     
  Partials       487      487             

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[nataliyah123]

I have made some changes, but there are some tests that are failing, I think they are not related to the changes I made, and this is a known issue to the team (IDK). there are some changes that 'hmacdope' has suggested in another PR like ..code-block:: python instead of..testsetup::, I will make the changes according to his suggestion, if you want me to.

[nataliyah123]

@orbeckst. I think some other candidate has already made a PR for the same issue long before I did. some how I missed it so I am closing this PR.