root/pypi: links for slots-class

root/pypi slots_class-0.1.0a2.tar.gz
root/pypi slots_class-0.1.0a2-py3-none-any.whl
root/pypi slots_class-0.1.0a1.tar.gz
root/pypi slots_class-0.1.0a1-py3-none-any.whl