[build-system]
requires = [
    "setuptools>=39.2.0", 

    "wheel",

    # see https://github.com/scipy/oldest-supported-numpy/tree/main
    "oldest-supported-numpy>=2023.8.3; python_version>='3.8'",
    "numpy==1.16.6; python_version=='3.7'",
    "numpy; python_version<'3.7'",

    "Cython>=0.29.33"
    ]
build-backend = 'setuptools.build_meta'

