I have the same problem:
//
After installing the labextensions, still some errors appear:
Could not instantiate widget
Error: Could not create a model.
Uncaught (in promise) Module plotlywidget, semver range ^0.1.1 is not registered as a widget module
Error displaying widget
//
Result of jupyter labextension list
:
JupyterLab v0.32.1
Known labextensions:
app dir: /home/ddsadm/virtualenvs/jupyter/share/jupyter/lab
@jupyter-widgets/jupyterlab-manager
@jupyter-widgets/jupyterlab-manager v0.35.0 enabled OK
@jupyterlab/plotly-extension
@jupyterlab/plotly-extension v0.16.0 enabled OK
ipyvolume
ipyvolume v0.4.6 enabled OK
jupyter-matplotlib
jupyter-matplotlib v0.3.0 enabled OK
plotlywidget
plotlywidget v0.2.0 enabled OK
//
Referring pip list
outputs:
ipywidgets 7.2.1
jupyter 1.0.0
jupyter-client 5.2.3
jupyter-console 5.2.0
jupyter-core 4.4.0
jupyterlab 0.32.1
jupyterlab-launcher 0.10.5
notebook 5.4.0
plotly 3.0.2
Any ideas?