jupyter notebook的报错是
Traceback (most recent call last):
File "C:\Users\leo\.conda\envs\jupyterlab\Scripts\jupyter-notebook-script.py", line 10, in
sys.exit(main())
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\jupyter_core\application.py", line 268, in launch_instance
return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance
app.initialize(argv)
File "", line 2, in initialize
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\traitlets\config\application.py", line 87, in catch_config_error
return method(app, *args, **kwargs)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\notebook\notebookapp.py", line 1720, in initialize
self.init_webapp()
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\notebook\notebookapp.py", line 1482, in init_webapp
self.http_server.listen(port, self.ip)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\tcpserver.py", line 152, in listen
self.add_sockets(sockets)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\tcpserver.py", line 165, in add_sockets
self._handlers[sock.fileno()] = add_accept_handler(
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\netutil.py", line 279, in add_accept_handler
io_loop.add_handler(sock, accept_handler, IOLoop.READ)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\platform\asyncio.py", line 99, in add_handler
self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\asyncio\events.py", line 501, in add_reader
raise NotImplementedError
NotImplementedError
jupyterLab的报错是
Traceback (most recent call last):
File "C:\Users\leo\.conda\envs\jupyterlab\Scripts\jupyter-lab-script.py", line 9, in
sys.exit(main())
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\jupyter_core\application.py", line 268, in launch_instance
return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance
app.initialize(argv)
File "", line 2, in initialize
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\traitlets\config\application.py", line 87, in catch_config_error
return method(app, *args, **kwargs)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\notebook\notebookapp.py", line 1720, in initialize
self.init_webapp()
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\jupyterlab\labapp.py", line 404, in init_webapp
super().init_webapp(*args, **kwargs)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\notebook\notebookapp.py", line 1482, in init_webapp
self.http_server.listen(port, self.ip)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\tcpserver.py", line 152, in listen
self.add_sockets(sockets)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\tcpserver.py", line 165, in add_sockets
self._handlers[sock.fileno()] = add_accept_handler(
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\netutil.py", line 279, in add_accept_handler
io_loop.add_handler(sock, accept_handler, IOLoop.READ)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\site-packages\tornado\platform\asyncio.py", line 99, in add_handler
self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)
File "C:\Users\leo\.conda\envs\jupyterlab\lib\asyncio\events.py", line 501, in add_reader
raise NotImplementedError
NotImplementedError
你的 Python 版本是什么？如果是 3.8 的话建议降到 3.7。不然的话你可能需要修改 tornado/platform/asyncio.py 的源码，加入如下语句（tornado 是 Jupyter 用的服务器框架）：
import sys
if sys.platform == 'win32':
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())