Collecting widgetsnbextension==3.0.0b9 Downloading widgetsnbextension-3.0.0b9-py2.py3-none-any.whl (1.7MB) Saved /tmp/tmpioz17ib4/widgetsnbextension-3.0.0b9-py2.py3-none-any.whl Skipping widgetsnbextension, due to already being wheel.