root/pypi: links for plotly-signif

root/pypi plotly-signif-0.0.41.tar.gz
root/pypi plotly_signif-0.0.41-py3-none-any.whl
root/pypi plotly-signif-0.0.4.tar.gz
root/pypi plotly_signif-0.0.4-py3-none-any.whl