通过anaconda启动jupyter notebook, terminal报错

LEEFEI571

各位大佬：

      小弟我用苹果电脑在terminal里升级了conda包（conda update conda）,然后通过anaconda启动jupyter notebook时，terminal却报错，报错信息如下：

Last login: Sat Jan 17 22:22:00 on ttys000
/Users/feili/opt/anaconda3/bin/jupyter_mac.command ; exit;
/Users/feili/.zshrc:17: command not found: Export
(base) feili@bogon ~ % /Users/feili/opt/anaconda3/bin/jupyter_mac.command ; exit;
Traceback (most recent call last):
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/notebook/traittypes.py", line 235, in _resolve_classes
    klass = self._resolve_string(klass)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/traitlets/traitlets.py", line 2015, in _resolve_string
    return import_item(string)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/traitlets/utils/importstring.py", line 33, in import_item
    module = __import__(package, fromlist=[obj])
ModuleNotFoundError: No module named 'jupyter_server.contents'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/feili/opt/anaconda3/bin/jupyter-notebook", line 11, in <module>
    sys.exit(main())
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/jupyter_core/application.py", line 283, in launch_instance
    super().launch_instance(argv=argv, **kwargs)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/traitlets/config/application.py", line 1073, in launch_instance
    app = cls.instance(**kwargs)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/traitlets/config/configurable.py", line 583, in instance
    inst = cls(*args, **kwargs)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/traitlets/traitlets.py", line 1292, in __new__
    inst.setup_instance(*args, **kwargs)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/traitlets/traitlets.py", line 1335, in setup_instance
    super(HasTraits, self).setup_instance(*args, **kwargs)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/traitlets/traitlets.py", line 1311, in setup_instance
    init(self)
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/notebook/traittypes.py", line 226, in instance_init
    self._resolve_classes()
  File "/Users/feili/opt/anaconda3/lib/python3.8/site-packages/notebook/traittypes.py", line 238, in _resolve_classes
    warn(f"{klass} is not importable. Is it installed?", ImportWarning)
TypeError: warn() missing 1 required keyword-only argument: 'stacklevel'

Saving session...
...copying shared history...
...saving history...truncating history files...
...completed.

[Process completed]

麻烦大佬帮我看下这是因为什么问题导致的？该如何解决？谢谢！！！

FishC

根据错误信息，问题可能由两个原因导致：一是 .zshrc 文件中的命令拼写错误，二是 Conda 更新后 Jupyter 相关包的版本不兼容。请按照以下步骤逐一解决：

• 修复 .zshrc 文件中的拼写错误：
  打开终端，编辑该文件：
  
  1. 
     
  2. nano ~/.zshrc
     

  复制代码
  
  找到第 17 行，将 Export 改为小写的 export，保存并退出（按 Ctrl+X，然后按 Y 确认，最后按 Enter）。
  重新加载配置文件：
  
  1. 
     
  2. source ~/.zshrc
     

  复制代码
  
  
• 更新或重新安装 Jupyter 相关包：
  首先，尝试更新 jupyter_server 模块：
  
  1. 
     
  2. conda install jupyter_server
     

  复制代码
  
  如果问题仍存在，更新整个 Jupyter 环境：
  
  1. 
     
  2. conda update jupyter_core jupyter_client jupyter notebook
     

  复制代码
  
  
• 检查 traitlets 版本兼容性：
  查看当前版本：
  
  1. 
     
  2. conda list traitlets
     

  复制代码
  
  如果版本较旧或过新，尝试更新到最新版本：
  
  1. 
     
  2. conda update traitlets
     

  复制代码
  
  或者回退到稳定版本（例如 5.0.5）：
  
  1. 
     
  2. conda install traitlets=5.0.5
     

  复制代码
  
  
• 重新安装 Jupyter Notebook：
  如果上述步骤无效，可以尝试重装：
  
  1. 
     
  2. conda remove jupyter notebook -y
     
  3. conda install jupyter notebook -y
     

  复制代码
  
  
• 创建新的 Conda 环境作为备选方案：
  为避免包冲突，可以新建一个环境：
  
  1. 
     
  2. conda create -n jupyter_env python=3.8 jupyter notebook -y
     
  3. conda activate jupyter_env
     

  复制代码
  
  然后在新环境中启动 Jupyter Notebook。
  

完成以上步骤后，重新尝试启动 Jupyter Notebook。如果问题依旧，请提供更多错误信息以便进一步分析。

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