root/pypi: links for dagviz

root/pypi dagviz-0.4.0.tar.gz
root/pypi dagviz-0.4.0-py3-none-any.whl
root/pypi dagviz-0.3.0.tar.gz
root/pypi dagviz-0.3.0-py3-none-any.whl
root/pypi dagviz-0.2.0.tar.gz
root/pypi dagviz-0.2.0-py3-none-any.whl