Fix: Reduce_dimensionality.py doctest error

[HeetVekariya]

Partially address #3925

Changes made in this Pull Request:

• Doctest for reduce_dimensionality.py (package/MDAnalysis/analysis/encore/dimensionality_reduction/reduce_dimensionality.py) file contains these errors:

• Import error for pyplot: Added import for pyplot from matplotlib

• Code continuation error: Added ... for defining that code is continued in the new line

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.

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📚 Documentation preview 📚: https://mdanalysis--4380.org.readthedocs.build/en/4380/

[github-actions]

Linter Bot Results:

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

Some issues were found with the formatting of your code.

Code Location	Outcome
main package	⚠️ Possible failure
testsuite	✅ Passed

Please have a look at the darker-main-code and darker-test-code steps here for more details: https://github.com/MDAnalysis/mdanalysis/actions/runs/7302515435/job/19901281220

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Please note: The black linter is purely informational, you can safely ignore these outcomes if there are no flake8 failures!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2d1d684) 93.41% compared to head (8ac0717) 93.41%.

Additional details and impacted files

@@            Coverage Diff             @@
##           develop    #4380     +/-   ##
==========================================
  Coverage    93.41%   93.41%             
==========================================
  Files          171      185     +14     
  Lines        22511    23625   +1114     
  Branches      4129     4129             
==========================================
+ Hits         21028    22069   +1041     
- Misses         963     1036     +73     
  Partials       520      520             

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[orbeckst]

We are removing ENCORE from MDA ( #4274 ) as it's now its own package https://github.com/MDAnalysis/mdaencore/.

Thanks for your effort here (and on PR #4379 ) @HeetVekariya , I am closing this PR but you can contribute your changes at https://github.com/MDAnalysis/mdaencore/issues

[HeetVekariya]

No problem, Will make a PR there 👍