[FMT] apply black

[Remi-Gau]

Relates to #2528

Changes proposed in this pull request:

• update configs to format more from nilearn/plotting and to glm/tests/tests_second_level
• apply black

[github-actions]

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[codecov]

Codecov Report

Merging #3836 (53f8b12) into main (44ba24b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #3836   +/-   ##
=======================================
  Coverage   91.53%   91.53%           
=======================================
  Files         133      133           
  Lines       15623    15623           
  Branches     3250     3250           
=======================================
  Hits        14301    14301           
  Misses        774      774           
  Partials      548      548           

Flag	Coverage Δ
macos-latest_3.10	91.46% <ø> (ø)
macos-latest_3.11	91.46% <ø> (ø)
macos-latest_3.8	91.42% <ø> (ø)
macos-latest_3.9	91.42% <ø> (ø)
ubuntu-latest_3.10	91.46% <ø> (ø)
ubuntu-latest_3.11	91.46% <ø> (ø)
ubuntu-latest_3.8	91.42% <ø> (ø)
ubuntu-latest_3.9	91.42% <ø> (ø)
windows-latest_3.10	91.40% <ø> (ø)
windows-latest_3.11	91.40% <ø> (ø)
windows-latest_3.8	91.36% <ø> (ø)
windows-latest_3.9	91.36% <ø> (ø)

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[Remi-Gau]

BTW this should be the last PR that is black related.

Some files still need to be reformated but they are involved in other PRs so we will have to see how we tackle them.

So I think that when this is merged we can finally close #2528 after updating the contribution guidelines that was saying we were in the process of reformating the code base.

[bthirion]

LGTM, thx !