Small fixes

[clmould]

Description

Missed in #4456

Checklist

I confirm that I have completed the following checks:

• My changes follow the PROCESS style guide
• I have justified any large differences in the regression tests caused by this pull request in the comments.
• I have added new tests where appropriate for the changes I have made.
• If I have had to change any existing unit or integration tests, I have justified this change in the pull request comments.
• If I have made documentation changes, I have checked they render correctly.
• I have added documentation for my change, if appropriate.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 49.20%. Comparing base (f348c60) to head (fa92ccf).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
process/models/stellarator/coils/coils.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4516      +/-   ##
==========================================
- Coverage   49.22%   49.20%   -0.03%     
==========================================
  Files         152      152              
  Lines       29842    29835       -7     
==========================================
- Hits        14691    14681      -10     
- Misses      15151    15154       +3     

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