loongson/pypi: links for vtktonumpy

loongson/mirror vtktonumpy-0.3.1.tar.gz
loongson/mirror vtktonumpy-0.3.1-py3-none-any.whl
loongson/mirror vtktonumpy-0.3.0.tar.gz
loongson/mirror vtktonumpy-0.3.0-py3-none-any.whl
loongson/mirror vtktonumpy-0.2.3.tar.gz
loongson/mirror vtktonumpy-0.2.3-py3-none-any.whl