black: blacken scripts
test-check-format.t doesn't appear to detect Python scripts with shebangs.
But my editor which is configured to auto run black on Python files does
and it appears some files are not blackened.
This commit blackens scripts that need it.
# skip-blame reformatting
Differential Revision: https://phab.mercurial-scm.org/D7420
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
| contrib/python-zstandard/
'''
skip-string-normalization = true
quiet = true