Collecting widgetsnbextension==2.0.0b13 Downloading widgetsnbextension-2.0.0b13-py2.py3-none-any.whl (1.1MB) Saved /tmp/tmpvpl4qqb2/widgetsnbextension-2.0.0b13-py2.py3-none-any.whl Skipping widgetsnbextension, due to already being wheel.