Collecting jupyterlab==0.20.0rc1
Downloading jupyterlab-0.20.0rc1-py2.py3-none-any.whl (4.8MB)
Saved /tmp/tmphqndlnom/jupyterlab-0.20.0rc1-py2.py3-none-any.whl
Skipping jupyterlab, due to already being wheel.