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我今天更新了我的 conda 环境。以前,我可以从终端启动 jupyter lab。更新后(包括安装 theano,但我猜这无关紧要),我收到以下我不明白的错误:

marcel@flaptop:~$ jupyter lab
Traceback (most recent call last):
File "/home/marcel/anaconda3/bin/jupyter-lab", line 7, in <module> from jupyterlab.labapp import main
File "/home/marcel/anaconda3/lib/python3.6/site-packages/jupyterlab/labapp.py", line 7, in <module> from notebook.notebookapp import NotebookApp, aliases, flags  
File "/home/marcel/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 45, in <module> ioloop.install()
File "/home/marcel/anaconda3/lib/python3.6/site-packages/zmq/eventloop/ioloop.py", line 210, in install assert (not ioloop.IOLoop.initialized()) or  AttributeError: type object 'IOLoop' has no attribute 'initialized'

有谁知道这里发生了什么?

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1 回答 1

19

似乎是 Tornado 版本 5。这里有讨论: 在 Miniconda 上安装 Jupyter Notebook

pip uninstall tornado pip install tornado==4.5.3

为我修复了它,如上面的链接中所述。

于 2018-03-07T11:39:27.523 回答