add-example-notebook

requirements.txt

@@ -38,12 +38,10 @@ jsonschema==3.2.0
 jupyter-client==6.0.0
 jupyter-core==4.6.3
 jupyter-rsession-proxy==1.1
+jupyterlab_server>=1.1.0
 jupyter-server-proxy==1.2.0
 jupyter-telemetry==0.0.5
-jupyterhub==0.9.6
-jupyterlab==1.2.5
-jupyterlab-git==0.9.0
-jupyterlab-server==1.0.6
+jupyterlab-git==0.20.0rc0
 kiwisolver==1.1.0
 Mako==1.1.0
 MarkupSafe==1.1.1
@@ -51,7 +49,7 @@ matplotlib==3.2.1
 mistune==0.8.4
 multidict==4.7.5
 nbconvert==5.6.1
-nbdime==1.1.0
+nbdime~=2.0
 nbformat==5.0.4
 notebook==6.0.3
 numpy==1.18.1