pyproject.toml

match: make the FLAG_RE pattern a raw string

PyCharm was complaining about invalid escape sequences since this was added
recently in 3eda36e9b3d6.

[build-system]
requires = ["setuptools", "wheel"]

[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true