为什么我在 Spyder 中收到内核错误？

Question

我在 Spyder 中从 Anaconda 运行 Python 3.7，并且从全新安装中收到此错误：

An error ocurred while starting the kernel
The error is:

Traceback (most recent call last):
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\site‑packages\spyder\plugins\ipythonconsole\plugin.py", line 1223, in create_kernel_manager_and_kernel_client
kernel_manager.start_kernel(stderr=stderr_handle)
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\site‑packages\jupyter_client\manager.py", line 309, in start_kernel
kernel_cmd, kw = self.pre_start_kernel(**kw)
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\site‑packages\jupyter_client\manager.py", line 256, in pre_start_kernel
self.write_connection_file()
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\site‑packages\jupyter_client\connect.py", line 474, in write_connection_file
kernel_name=self.kernel_name
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\site‑packages\jupyter_client\connect.py", line 138, in write_connection_file
with secure_write(fname) as f:
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\contextlib.py", line 112, in __enter__
return next(self.gen)
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\site‑packages\jupyter_core\paths.py", line 461, in secure_write
win32_restrict_file_to_user(fname)
File "C:\Users\kaimajerus\AppData\Local\Continuum\anaconda3\envs\dsfs\lib\site‑packages\jupyter_core\paths.py", line 395, in win32_restrict_file_to_user
sd = win32security.GetFileSecurity(fname, win32security.DACL_SECURITY_INFORMATION)
pywintypes.error: (50, 'GetFileSecurity', 'The request is not supported.')

Answer 1

如果内核显示一个很长的错误回溯，其中提到了其他包，如 ipython 、 ipykernel 、 jupyter_client 、 traitlets 或 pyzmq ，则问题可能是依赖包的版本过时或不兼容。要解决此问题，请激活环境并更新关键依赖项。