有人可以帮我摆脱这个错误吗?
jupyter-notebook
这是我使用命令将 Python 3.5 升级到 3.6 后在终端中 输入时显示的错误:conda install python=3.6
Traceback (most recent call last):
File "/usr/local/anaconda3/bin/jupyter-notebook", line 7, in <module>
from notebook.notebookapp import main
File "/usr/local/anaconda3/lib/python3.6/site-packages/notebook/notebookapp.py", line 45, in <module>
ioloop.install()
File "/usr/local/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'