fix-PYL-W0612

[k034b363]

Describe your changes Fixed deepsource unused variable issues. Changed 6 instances of unused variable name assignments to "_" across 4 files.

Type of update Deepsource issue fix

Associated issues Reference associated issue numbers. Does this pull request close any issues?

Additional context Add any other context about the problem here.

For the reviewer See this page for instructions on how to review the pull request.

• [ ] PR functionality reviewed in a Jupyter Notebook
• [ ] All tests pass
• [ ] Test coverage remains 100%
• [ ] Documentation tested
• [ ] New documentation pages added to plantcv/mkdocs.yml
• [ ] Changes to function input/output signatures added to updating.md
• [ ] Code reviewed
• [ ] PR approved

[deepsource-io[bot]]

Here's the code health analysis summary for commits c858f62..1ce8a33. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	✅ Success	🎯 6 occurences resolved	View Check ↗
Test coverage	✅ Success		View Check ↗

Code Coverage Report

Metric	Aggregate	Python
Branch Coverage	100%	100%
Composite Coverage	99.7%	99.7%
Line Coverage	99.7%	99.7%
New Branch Coverage	100%	100%
New Composite Coverage	100%	100%
New Line Coverage	100%, ✅ Above Threshold	100%, ✅ Above Threshold

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