无法运行jupyter notebook//NotImplementedE

Question

尝试在本地主机上构建jupyter笔记本，得到错误

< >我使用Windows 10，更新微软Visual C++ + 14版本

试过了 pip卸载pyzmq

pip卸载jsonschema

pip安装pyzmq

pip安装jsonschema

但总是这个错误

Traceback (most recent call last): File "c:\users\axon\appdata\local\programs\python\python38\lib\runpy.py", line 192, in _run_module_as_main return _run_code(code, main_globals, None, File "c:\users\axon\appdata\local\programs\python\python38\lib\runpy.py", line 85, in _run_code exec(code, run_globals) File "C:\Users\axon\AppData\Local\Programs\Python\Python38\Scripts\jupyter-notebook.EXE\__main__.py", line 7, in <module> File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\jupyter_core\application.py", line 268, in launch_instance return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs) File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\traitlets\config\application.py", line 663, in launch_instance app.initialize(argv) File "<c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\decorator.py:decorator-gen-7>", line 2, in initialize File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\traitlets\config\application.py", line 87, in catch_config_error return method(app, *args, **kwargs) File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\notebook\notebookapp.py", line 1679, in initialize self.init_webapp() File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\notebook\notebookapp.py", line 1442, in init_webapp self.http_server.listen(port, self.ip) File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\tornado\tcpserver.py", line 152, in listen self.add_sockets(sockets) File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\tornado\tcpserver.py", line 165, in add_sockets self._handlers[sock.fileno()] = add_accept_handler( File "c:\users\axon\appdata\local\programs\python\python38\lib\site-packages\tornado\netutil.py", line 279, in add_accept_handler io_loop.add_handler(sock, accept_handler, IOLoop.READ) File "c:\users\axon\appdata\local\programs\python\python38\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\axon\appdata\local\programs\python\python38\lib\asyncio\events.py", line 501, in add_reader raise NotImplementedError NotImplementedError

Answer 1

1）打开文件： …\tornado\平台\异步.py在

（错误消息中引用的倒数第二个文件）

2）在“import asyncio”后添加以下行：

import sys
if sys.platform == 'win32':
    asyncio.set_event_loop_policy (asyncio.WindowsSelectorEventLoopPolicy())

保存文件。在

3）见图片： enter image description here

4）现在只需输入命令：jupyter lab