root/pypi: links for sxstools

root/pypi sxstools-2025.7.15.tar.gz
root/pypi sxstools-2025.7.15-py3-none-any.whl
root/pypi sxstools-2025.6.17.2.tar.gz
root/pypi sxstools-2025.6.17.2-py3-none-any.whl