loongson/pypi: links for sparkml-base-classes

loongson/mirror sparkml_base_classes-0.1.6.tar.gz
loongson/mirror sparkml_base_classes-0.1.6-py3-none-any.whl
loongson/mirror sparkml_base_classes-0.1.5.tar.gz
loongson/mirror sparkml_base_classes-0.1.5-py3-none-any.whl
loongson/mirror sparkml_base_classes-0.1.4.tar.gz
loongson/mirror sparkml_base_classes-0.1.4-py3-none-any.whl