我在 mac os 11.5 上工作！

我用 conda 创建了一个虚拟环境并激活了它：

conda create -n myenv python=3.6

conda activate myenv

我尝试在这个新环境中安装 jupyter notebook：

conda install jupyter notebook

一切顺利！现在我启动它，它尝试连接内核 1 分钟，但没有成功并返回错误！

我得到的错误（我只是复制最后几行，因为 Stackoverflow 不允许我发布太多代码）：

Traceback (most recent call last):
.
.
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  File "~/opt/anaconda3/envs/myenv/lib/python3.6/site-packages/appnope/_nope.py",line 60,in beginactivityWithOptions
    NSProcessInfo = C('NSProcessInfo')
  File "~/opt/anaconda3/envs/myenv/lib/python3.6/site-packages/appnope/_nope.py",line 38,in C
    assert ret is not None,"Couldn't find Class %s" % classname
AssertionError: Couldn't find Class NSProcessInfo
[W 16:03:16.833 NotebookApp] KernelRestarter: restart failed
[W 16:03:16.834 NotebookApp] Kernel 23590965-8381-42a0-ab03-f81495576942 died,removing from map.
[W 16:04:01.865 NotebookApp] Timeout waiting for kernel_info reply from 23590965-8381-42a0-ab03-f81495576942
[E 16:04:01.868 NotebookApp] Error opening stream: HTTP 404: Not Found (Kernel does not exist: 23590965-8381-42a0-ab03-f81495576942)
[W 16:04:02.892 NotebookApp] 404 GET /api/kernels/23590965-8381-42a0-ab03-f81495576942/channels?session_id=fef577101b6a43d781a438c90d50d561 (::1): Kernel does not exist: 23590965-8381-42a0-ab03-f81495576942
[W 16:04:02.905 NotebookApp] 404 GET /api/kernels/23590965-8381-42a0-ab03-f81495576942/channels?session_id=fef577101b6a43d781a438c90d50d561 (::1) 15.490000ms referer=None
[W 16:04:04.917 NotebookApp] Replacing stale connection: 23590965-8381-42a0-ab03-f81495576942:fef577101b6a43d781a438c90d50d561
[I 16:05:04.070 NotebookApp] Saving file at /Untitled.ipynb
^C[I 16:05:18.396 NotebookApp] interrupted
Serving notebooks from local directory: ~
0 active kernels
Jupyter Notebook 6.3.0 is running at:
http://localhost:8888/?token=e5f60b72b0219930db87cfda37664107b266da3fe505bc17
 or http://127.0.0.1:8888/?token=e5f60b72b0219930db87cfda37664107b266da3fe505bc17