pyproject.toml

[build-system]
# Minimum requirements for the build system to execute.
requires = [
    "setuptools",
    "wheel",
    "Cython>=0.28.5",
    "numpy==1.13.3; python_version=='3.6' and platform_system!='AIX'",
    "numpy==1.14.5; python_version=='3.7' and platform_system!='AIX'",
    "numpy==1.17.3; python_version>='3.8' and platform_system!='AIX'",
    "numpy==1.16.0; python_version=='3.6' and platform_system=='AIX'",
    "numpy==1.16.0; python_version=='3.7' and platform_system=='AIX'",
    "numpy==1.17.3; python_version>='3.8' and platform_system=='AIX'",
    "scipy>=0.19.1",
]