loongson/pypi: links for betsi-ml

loongson/mirror betsi_ml-0.0.4-py2.py3-none-any.whl
loongson/mirror betsi_ml-0.0.3-py2.py3-none-any.whl
loongson/mirror betsi_ml-0.0.2-py2.py3-none-any.whl