nuwa/stage: links for isbnlib2

root/pypi isbnlib2-3.11.1.tar.gz
root/pypi isbnlib2-3.11.1-py3-none-any.whl
root/pypi isbnlib2-3.11.0.tar.gz
root/pypi isbnlib2-3.11.0-py3-none-any.whl
root/pypi isbnlib2-3.11.0b0.tar.gz
root/pypi isbnlib2-3.11.0b0-py3-none-any.whl