擅长:python、mysql、java
<p>尝试<code>pip uninstall jupyter_core</code>。详情如下:</p>
<p>当我的jupyter笔记本只显示Python 2笔记本时,我遇到了类似的问题。(没有Python3笔记本)</p>
<p>我试图通过<code>pip unistall jupyter</code>、<code>pi3 uninstall jupyter</code>和建议的<code>pip-autoremove jupyter -y</code>卸载jupyter。</p>
<p>什么都没用。我运行<code>which jupyter</code>,得到<code>/home/ankit/.local/bin/jupyter</code></p>
<p>文件<code>/home/ankit/.local/bin/jupyter</code>只是一个简单的python代码:</p>
<pre><code>#!/usr/bin/python3
# -*- coding: utf-8 -*-
import re
import sys
from jupyter_core.command import main
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
sys.exit(main())
</code></pre>
<p>试图通过<code>pip uninstall jupyter_core</code>卸载模块<code>jupyter_core</code>,它成功了。</p>
<p>用<code>pip3 install jupyter</code>重新安装jupyter,一切恢复正常。</p>