py3: use `%d` for int in % formatting
On Python 3, `%s` is an alias to `%b`, which requires that the object implements
`__bytes__()`, which is not the case for `int`.
[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true