Collecting widgetsnbextension==3.0.0a5 Downloading widgetsnbextension-3.0.0a5-py2.py3-none-any.whl (1.4MB) Saved /tmp/tmpm6ko_erz/widgetsnbextension-3.0.0a5-py2.py3-none-any.whl Skipping widgetsnbextension, due to already being wheel.