在公司环境中，我只能使用Jupyter Lab 0.34版和ipywidgets 7.4版。
我正在尝试安装plotly jupyter Lab扩展，以在使用jupyter lab时绘制渲染的图。为此，我按照此处https://plot.ly/python/getting-started/中所述的步骤进行操作。但是，它们似乎不适用于我的两个依赖版本。
为jupyter lab 0.34正确安装扩展程序应该采取什么步骤？
请参阅下面的设置。
C:\Progra~1\Anaconda3_4) C:\Users\***>conda list jupyterlab
# packages in environment at C:\Progra~1\Anaconda3_4:
#
jupyterlab 0.34.12 py36_0 defaults
(C:\Progra~1\Anaconda3_4) C:\Users\***>conda list plotly
# packages in environment at C:\Progra~1\Anaconda3_4:
#
plotly 4.1.0 py_0 plotly
plotly_express 0.4.1 py_0 plotly
(C:\Progra~1\Anaconda3_4) C:\Users\***>conda list ipywidgets
# packages in environment at C:\Progra~1\Anaconda3_4:
#
ipywidgets 7.4.2 py36_0 defaults
(C:\Progra~1\Anaconda3_4) C:\Users\***>jupyter labextension list
JupyterLab v0.34.12
Known labextensions:
app dir: C:\Progra~1\Anaconda3_4\share\jupyter\lab
@jupyter-widgets/jupyterlab-manager v0.37.4 enabled ok
jupyterlab-chart-editor v1.2.0 enabled ok
jupyterlab-plotly v1.1.0 enabled ok
plotlywidget v1.1.0 enabled ok
Build recommended, please run `jupyter lab build`:
@jupyter-widgets/jupyterlab-manager needs to be included in build
plotlywidget needs to be included in build
jupyterlab-chart-editor needs to be included in build
jupyterlab-plotly needs to be included in build
查看构建时的错误消息
(C:\Progra~1\Anaconda3_4) C:\Users\***>jupyter lab build
[LabBuildApp] JupyterLab 0.34.12
[LabBuildApp] Building in C:\Progra~1\Anaconda3_4\share\jupyter\lab
[LabBuildApp] > node C:\Progra~1\Anaconda3_4\lib\site-packages\jupyterlab\staging\yarn.js install
yarn install v1.9.4
info No lockfile found.
[1/4] Resolving packages...
warning @jupyterlab/application > @jupyterlab/coreutils > comment-json > json-parser@1.1.5: `json-parser` is deprecated. Please use `comment-json` instead
warning @jupyterlab/application > @jupyterlab/apputils > react > fbjs > core-js@1.2.7: core-js@<2.6.8 is no longer maintained. Please, upgrade to core-js@3 or at least to actual version of core-js@2.
warning @jupyterlab/faq-extension@0.18.4: The JupyterLab FAQ extension is no longer developed and is removed from JupyterLab 1.0.
error Received malformed response from registry for undefined. The registry may be down.
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
[LabBuildApp] > node C:\Progra~1\Anaconda3_4\lib\site-packages\jupyterlab\staging\yarn.js run build
yarn run v1.9.4
$ webpack
'webpack' is not recognized as an internal or external command,
operable program or batch file.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.