问题
jupyter labextension install @jupyterlab/debugger
安装Jupyter notebook的debug插件时报错
An error occured.
ValueError: Please install Node.js and npm before continuing installation. You may be able to install Node.js from your package manager, from conda, or directly from the Node.js website (https://nodejs.org).
See the log file for details: /tmp/jupyterlab-debug-rjro7gfy.log
解决办法
conda install nodejs