1-&gt;widgetsnbextension~=3.5.0-&gt;ipywidgets) (0.1.2)
Requirement already satisfied: defusedxml in /opt/conda/lib/python3.8/site-packages (from nbconvert-&gt;notebook&gt;=4.4.1-&gt;widgetsnbextension~=3.5.0-&gt;ipywidgets) (0.7.1)
Requirement already satisfied: bleach in /opt/conda/lib/python3.8/site-packages (from nbconvert-&gt;notebook&gt;=4.4.1-&gt;widgetsnbextension~=3.5.0-&gt;ipywidgets) (4.1.0)
Requirement already satisfied: nbclient&lt;0.6.0,&gt;=0.5.0 in /opt/conda/lib/python3.8/site-packages (fro