<p>尝试打开Jupyter笔记本(OSX 10.11.4)时出现以下错误:</p>
<pre><code>$ jupyter-notebook
Traceback (most recent call last):
File "/usr/local/bin/jupyter-notebook", line 7, in <module>
from notebook.notebookapp import main
File "/Users/geotheory/Library/Python/2.7/lib/python/site-packages/notebook/__init__.py", line 25, in <module>
from .nbextensions import install_nbextension
File "/Users/geotheory/Library/Python/2.7/lib/python/site-packages/notebook/nbextensions.py", line 23, in <module>
from jupyter_core.paths import jupyter_data_dir, jupyter_path, SYSTEM_JUPYTER_PATH
ImportError: No module named jupyter_core.paths
</code></pre>
<p>这以前很管用。知道怎么诊断吗?</p>