[MAINT] Make black CI more verbose

[Remi-Gau]

• Closes none but mentioned in [FIX] improve support for F statistics in compute_fixed_effects #3203 (comment)

Changes proposed in this pull request:

• use --diff when running black in CI to show what changes would have been made

[github-actions]

👋 @Remi-Gau Thanks for creating a PR!

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[Remi-Gau]

output example:

  black --check --diff --color .
  shell: /usr/bin/bash -e {0}
  env:
    pythonLocation: /opt/hostedtoolcache/Python/3.11.5/x64
    PKG_CONFIG_PATH: /opt/hostedtoolcache/Python/3.11.5/x64/lib/pkgconfig
    Python_ROOT_DIR: /opt/hostedtoolcache/Python/3.11.5/x64
    Python2_ROOT_DIR: /opt/hostedtoolcache/Python/3.11.5/x64
    Python3_ROOT_DIR: /opt/hostedtoolcache/Python/3.11.5/x64
    LD_LIBRARY_PATH: /opt/hostedtoolcache/Python/3.11.5/x64/lib
--- /home/runner/work/nilearn/nilearn/nilearn/plotting/img_plotting.py	2023-09-25 09:32:05.952337+00:00
+++ /home/runner/work/nilearn/nilearn/nilearn/plotting/img_plotting.py	2023-09-25 09:32:14.617086+00:00
@@ -50,21 +50,25 @@
     This function is equivalent to :func:`matplotlib.pyplot.show`,
     but is skipped on the 'Agg' backend where it has no effect other
     than to emit a warning.
 
     """
would reformat /home/runner/work/nilearn/nilearn/nilearn/plotting/img_plotting.py
-    if matplotlib.get_backend().lower() != 'agg':  # avoid warnings
+    if matplotlib.get_backend().lower() != "agg":  # avoid warnings
         plt.show()
 

[codecov]

Codecov Report

Merging #4008 (0b62489) into main (5674c3e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #4008   +/-   ##
=======================================
  Coverage   91.77%   91.77%           
=======================================
  Files         134      134           
  Lines       15795    15795           
  Branches     3299     3299           
=======================================
  Hits        14496    14496           
  Misses        755      755           
  Partials      544      544           

Flag	Coverage Δ
macos-latest_3.10	91.69% <ø> (ø)
macos-latest_3.11	?
macos-latest_3.8	91.65% <ø> (ø)
macos-latest_3.9	91.65% <ø> (ø)
ubuntu-latest_3.10	?
ubuntu-latest_3.11	91.69% <ø> (ø)
ubuntu-latest_3.8	?
ubuntu-latest_3.9	?
windows-latest_3.10	91.63% <ø> (ø)
windows-latest_3.11	?
windows-latest_3.8	91.59% <ø> (ø)
windows-latest_3.9	91.60% <ø> (ø)

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[bthirion]

LGTM, thx.