When jupyterlab is installed use jupyter --paths
to see where the configuration, data and runtime is stored. After removing the corresponding files and directories you will be able to perform a clean install without any traces of the old extensions.
Remember to use it in the right environment.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…