Exception: Jupyter command `jupyter-lab` not found.解决方法

问题描述

• 在 conda 创建的虚拟环境中运行 jupyter lab 报错：

Traceback (most recent call last):
  File "/Users/username/opt/anaconda3/envs/pytorch171py37/bin/jupyter", line 11, in <module>
    sys.exit(main())
  File "/Users/username/opt/anaconda3/envs/pytorch171py37/lib/python3.7/site-packages/jupyter_core/command.py", line 285, in main
    command = _jupyter_abspath(subcommand)
  File "/Users/username/opt/anaconda3/envs/pytorch171py37/lib/python3.7/site-packages/jupyter_core/command.py", line 125, in _jupyter_abspath
    'Jupyter command `{
       }` not found.'.format(jupyter_subcommand)
Exception: Jupyter command `jupyter-lab` not found.

解决方法

• 手动安装 jupyter lab

python -m pip install jupyterlab

参考

• https://stackoverflow.com/questions/57677481/jupyter-command-jupyter-lab-not-found