Fix linting gui tools

[mwcraig]

Fixes #221

[codecov-commenter]

Codecov Report

Attention: 14 lines in your changes are missing coverage. Please review.

Comparison is base (394c551) 55.97% compared to head (4ed2570) 55.93%.
Report is 45 commits behind head on main.

Files	Patch %	Lines
stellarphot/utils/comparison_utils.py	9.09%	10 Missing ⚠️
stellarphot/core.py	93.10%	2 Missing ⚠️
stellarphot/gui_tools/seeing_profile_functions.py	66.66%	1 Missing ⚠️
stellarphot/photometry/profiles.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #248      +/-   ##
==========================================
- Coverage   55.97%   55.93%   -0.04%     
==========================================
  Files          24       24              
  Lines        2973     2964       -9     
==========================================
- Hits         1664     1658       -6     
+ Misses       1309     1306       -3     

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