Jupyter server process finishedTraceback (most recent call last):
File "/home/wgj/anaconda3/lib/python3.7/site-packages/jsonschema/__init__.py", line 31, in <module>
from importlib import metadata
ImportError: cannot import name 'metadata' from 'importlib' (/home/wgj/anaconda3/lib/python3.7/importlib/__init__.py)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/wgj/anaconda3/bin/jupyter-notebook", line 7, in <module>
from notebook.notebookapp import main
File "/home/wgj/anaconda3/lib/python3.7/site-packages/notebook/notebookapp.py", line 85, in <module>
from .services.contents.manager import ContentsManager
File "/home/wgj/anaconda3/lib/python3.7/site-packages/notebook/services/contents/manager.py", line 17, in <module>
from nbformat import sign, validate as validate_nb, ValidationError
File "/home/wgj/anaconda3/lib/python3.7/site-packages/nbformat/__init__.py", line 32, in <module>
from .validator import validate, ValidationError
File "/home/wgj/anaconda3/lib/python3.7/site-packages/nbformat/validator.py", line 12, in <module>
from .json_compat import get_current_validator, ValidationError
File "/home/wgj/anaconda3/lib/python3.7/site-packages/nbformat/json_compat.py", line 10, in <module>
import jsonschema
File "/home/wgj/anaconda3/lib/python3.7/site-packages/jsonschema/__init__.py", line 33, in <module>
import importlib_metadata as metadata
ModuleNotFoundError: No module named 'importlib_metadata'
安装新的版本即可:
conda install -c anaconda importlib-metadata
问题解决!