root/pypi: links for cubic-spline

root/pypi cubic-spline-0.1.1.tar.gz
root/pypi cubic_spline-0.1.1-py3-none-any.whl
root/pypi cubic-spline-0.1.0.tar.gz
root/pypi cubic_spline-0.1.0-py3-none-any.whl