update base environment
notebook 6
nbconvert 5.6
jupyterlab 1.2
widgets 7.5
dependencies:
- python=3.7
- - ipywidgets==7.4.2
- - jupyterlab==0.35.4
- - nbconvert==5.4.1
- - notebook==5.7.8
+ - ipywidgets==7.5.1
+ - jupyterlab==1.2.6
- jupyterhub-base==1.1.0
+ - nbconvert==5.6.1
+ - notebook==6.0.3
- nteract_on_jupyter==2.1.3
