STY: Apply ruff/flynt rules (FLY)

[DimitriPapadopoulos]

Summary

Apply flynt (FLY) rules.

[codecov]

Codecov Report

Attention: Patch coverage is 53.48837% with 20 lines in your changes missing coverage. Please review.

Project coverage is 70.83%. Comparing base (e03ab6f) to head (5079243).
Report is 176 commits behind head on master.

Files with missing lines	Patch %	Lines
nipype/interfaces/fsl/tests/test_preprocess.py	0.00%	5 Missing ⚠️
nipype/utils/docparse.py	33.33%	2 Missing ⚠️
nipype/interfaces/brainsuite/brainsuite.py	0.00%	1 Missing ⚠️
nipype/interfaces/cat12/surface.py	0.00%	1 Missing ⚠️
nipype/interfaces/dtitk/base.py	0.00%	1 Missing ⚠️
nipype/interfaces/io.py	0.00%	1 Missing ⚠️
nipype/interfaces/mne/base.py	0.00%	1 Missing ⚠️
nipype/interfaces/niftyfit/base.py	0.00%	1 Missing ⚠️
nipype/interfaces/petpvc.py	0.00%	1 Missing ⚠️
nipype/interfaces/spm/preprocess.py	0.00%	1 Missing ⚠️
... and 5 more

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3675   +/-   ##
=======================================
  Coverage   70.83%   70.83%           
=======================================
  Files        1276     1276           
  Lines       59320    59321    +1     
  Branches     9826     9826           
=======================================
+ Hits        42019    42020    +1     
  Misses      16125    16125           
  Partials     1176     1176           

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