loongson/pypi: links for setools

loongson/mirror SETools-1.2.3-py3-none-any.whl
loongson/mirror SETools-1.2.2-py3-none-any.whl
loongson/mirror SETools-1.2.1-py3-none-any.whl
loongson/mirror SETools-1.2.0-py3-none-any.whl