1.先卸载:
在Anaconda Powershell Prompt中执行
pip uninstall jupyter_contrib_nbextensions
pip uninstall jupyter_nbextensions_configurator
2.重新下载并安装:
2.1 先cmd命令安装
pip install -i http://pypi.douban.com/simple --trusted-host pypi.douban.com jupyter_contrib_nbextensions
2.3 找到jupyter_contrib_nbextensions所在目录
2.3然后在Prompt中使用cd进入jupyter_contrib_nbextensions所在目录
2.3 cmd执行
jupyter contrib-nbextension install --user
重新启动jupyter notebook 就成功看到工具Nbextensions在工具栏了
参考文章
duqiumail: Jupyter notebook安装扩展工具(nbextensions)提示“Jupyter command `jupyter-contrib` not found.”