Issue 4339

[tanishy7777]

Fixes #4339

Changes made in this Pull Request:

• Changed the function atan2() to np.atan2() to avoid converting array to scalar

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--4830.org.readthedocs.build/en/4830/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.66%. Comparing base (a27591c) to head (bf46040).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #4830      +/-   ##
===========================================
- Coverage    93.68%   93.66%   -0.03%     
===========================================
  Files          177      189      +12     
  Lines        21743    22809    +1066     
  Branches      3055     3055              
===========================================
+ Hits         20370    21363     +993     
- Misses         927     1000      +73     
  Partials       446      446              

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