root/pypi: links for ipywidgets-gallery

root/pypi ipywidgets_gallery-0.17.tar.gz
root/pypi ipywidgets_gallery-0.17-py3-none-any.whl
root/pypi ipywidgets_gallery-0.16.tar.gz
root/pypi ipywidgets_gallery-0.16-py3-none-any.whl