Collecting ipywidgets==7.0.0b4
Downloading ipywidgets-7.0.0b4-py2.py3-none-any.whl (60kB)
Saved /tmp/tmpnzucb7gz/ipywidgets-7.0.0b4-py2.py3-none-any.whl
Skipping ipywidgets, due to already being wheel.