Try jupyterlab 2.0.1

Dockerfile

@@ -25,7 +25,6 @@ RUN conda env update -q -f /tmp/environment.yml && \
     /opt/conda/bin/pip install --ignore-installed -r /tmp/requirements.txt && \
     jupyter labextension install --no-build @jupyter-voila/jupyterlab-preview && \
     jupyter labextension install --no-build @jupyter-widgets/jupyterlab-manager && \
-    jupyter labextension install --no-build @jupyterlab/celltags && \
     conda clean -y --all && \
     conda env export -n "root" && \
     jupyter lab build
@@ -34,4 +33,4 @@ RUN conda env update -q -f /tmp/environment.yml && \
 
 COPY --chown=rstudio:rstudio src /code/src
 RUN ln -s /code/src
-RUN pip install -e src/covid-19/covid_19_utils
\ No newline at end of file
+RUN pip install -e src/covid-19/covid_19_utils

environment.yml

@@ -7,3 +7,4 @@ dependencies:
   - bokeh=2.0.0=py37_0
   - holoviews=1.13.0=py_0
   - panel=0.9.3=py_0
+  - jupyterlab=2.0.1