add black

stevenbird · stevenbird · commit 253dd3acd1de · 2024-08-18T12:30:24.000+09:30
diff --git a/RELEASE-HOWTO.txt b/RELEASE-HOWTO.txt
@@ -3,7 +3,7 @@ Building an NLTK distribution
 
 0. Packages required to build, test, and distribute NLTK
    - py312-pytest py312-requests py312-sphinx
-   - py312-numpy py312-matplotlib py312-tkinter
+   - py312-numpy py312-matplotlib py312-tkinter py312-black
    - sqlite3-tcl
    - pip install sphinxcontrib-apidoc twython build twine pytest-mock
 
