IOError: [Errno 2] No such file or directory: 'nul'

Question

安装jupyter后在控制台输入jupyter notebook 提示错误信息如下：

C:\Users\Administrator>jupyter notebook
Traceback (most recent call last):
  File "c:\python27\lib\runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "c:\python27\lib\runpy.py", line 72, in _run_code
    exec code in run_globals
  File "C:\Python27\Scripts\jupyter-notebook.EXE\__main__.py", line 9, in <module>
  File "c:\python27\lib\site-packages\jupyter_core\application.py", line 266, in launch_instance
    return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
  File "c:\python27\lib\site-packages\traitlets\config\application.py", line 657, in launch_instance
    app.initialize(argv)
  File "<decorator-gen-7>", line 2, in initialize
  File "c:\python27\lib\site-packages\traitlets\config\application.py", line 87, in catch_config_error
    return method(app, *args, **kwargs)
  File "c:\python27\lib\site-packages\notebook\notebookapp.py", line 1507, in initialize
    self.init_webapp()
  File "c:\python27\lib\site-packages\notebook\notebookapp.py", line 1270, in init_webapp
    self.jinja_environment_options
  File "c:\python27\lib\site-packages\notebook\notebookapp.py", line 156, in __init__
    default_url, settings_overrides, jinja_env_options)
  File "c:\python27\lib\site-packages\notebook\notebookapp.py", line 268, in init_settings
    nbextensions_path=jupyter_app.nbextensions_path,
  File "c:\python27\lib\site-packages\notebook\notebookapp.py", line 973, in nbextensions_path
    from IPython.paths import get_ipython_dir
  File "c:\python27\lib\site-packages\IPython\__init__.py", line 49, in <module>
    from .terminal.embed import embed
  File "c:\python27\lib\site-packages\IPython\terminal\embed.py", line 17, in <module>
    from IPython.core.interactiveshell import DummyMod, InteractiveShell
  File "c:\python27\lib\site-packages\IPython\core\interactiveshell.py", line 63, in <module>
    from IPython.utils import io
  File "c:\python27\lib\site-packages\IPython\utils\io.py", line 90, in <module>
    devnull = open(os.devnull, 'w')
IOError: [Errno 2] No such file or directory: 'nul'

试了很多次（重装anconda、用原生python等）还是不行，有哪位前辈遇到过这个问题，麻烦传授一下经验，谢谢。

Answer 1

根据错误排查，在打开os.devnull的时候找不到相关目录或文件

参考：https://blog.csdn.net/itachi8...