Installing collected packages: itsdangerous, Jinja2, flask, dash-core-components, dash-table, dash-html-components, dash, ansi2html, retrying, jupyter-dash Attempting uninstall: Jinja2 Found existing installation: Jinja2 2.11.2 Uninstalling Jinja2-2.11.2: Successfully uninstalled Jinja2-2.11.2 ERROR: After October 2020 you may experience errors when installing or updating packages. This is because pip will change the way that it resolves dependency conflicts. We recommend you use --use-feature=2020-resolver to test your packages with the new resolver before it becomes the default. jupyter-server 1.23.1 requires jupyter-client>=6.1.12, but you'll have jupyter-client 6.1.7 which is incompatible. jupyter-server 1.23.1 requires jupyter-core>=4.7.0, but you'll have jupyter-core 4.6.3 which is incompatible. jupyter-server 1.23.1 requires nbconvert>=6.4.4, but you'll have nbconvert 6.0.1 which is incompatible. jupyter-server 1.23.1 requires nbformat>=5.2.0, but you'll have nbformat 5.0.7 which is incompatible. jupyter-server 1.23.1 requires traitlets>=5.1, but you'll have traitlets 5.0.4 which is incompatible. Successfully installed Jinja2-3.1.2 ansi2html-1.8.0 dash-2.7.0 dash-core-components-2.0.0 dash-html-components-2.0.0 dash-table-5.0.0 flask-2.2.2 itsdangerous-2.1.2 jupyter-dash-0.4.2 retrying-1.3.3 Building jupyterlab assets (production, minimized) NB: In case you want to use our notebooks, make sure the 'deep_view_aggregation' kernel is accessible in jupyterlab Successfully installed Deep View Aggregation.