loongson/pypi: links for pyvision3

loongson/mirror pyvision3-0.1.8.tar.gz
loongson/mirror pyvision3-0.1.8-py3-none-any.whl
loongson/mirror pyvision3-0.1.5.tar.gz
loongson/mirror pyvision3-0.1.5-py3-none-any.whl
loongson/mirror pyvision3-0.1.4.tar.gz
loongson/mirror pyvision3-0.1.4-py3-none-any.whl
loongson/mirror pyvision3-0.1.3.tar.gz
loongson/mirror pyvision3-0.1.3-py3-none-any.whl