Jupyter notebook无法打开！

Question

Jupyter notebook用Anaconda Navigator打不开并且报这个错误是什么意思啊？有没有人解决一下，装了一天了qwq
:Traceback (most recent call last):
File "E:\Anaconda\Scripts\jupyter-notebook-script.py", line 6, in
import notebook.notebookapp
File "C:\Users\FX0212\AppData\Roaming\Python\Python37\site-packages\notebook\notebookapp.py", line 80, in
from .services.contents.manager import ContentsManager
File "C:\Users\FX0212\AppData\Roaming\Python\Python37\site-packages\notebook\services\contents\manager.py", line 17, in
from nbformat import sign, validate as validate_nb, ValidationError
File "C:\Users\FX0212\AppData\Roaming\Python\Python37\site-packages\nbformat_init.py", line 11, in
from . import v1, v2, v3, v4
File "C:\Users\FX0212\AppData\Roaming\Python\Python37\site-packages\nbformat\v4_init.py", line 40, in
from .convert import downgrade, upgrade
File "C:\Users\FX0212\AppData\Roaming\Python\Python37\site-packages\nbformat\v4\convert.py", line 13, in
from .. import validator
File "C:\Users\FX0212\AppData\Roaming\Python\Python37\site-packages\nbformat\validator.py", line 16, in
from .json_compat import ValidationError, _validator_for_name, get_current_validator
File "C:\Users\FX0212\AppData\Roaming\Python\Python37\site-packages\nbformat\json_compat.py", line 10, in
import fastjsonschema
ModuleNotFoundError: No module named 'fastjsonschema'

Answer 1

ModuleNotFoundError: No module named 'fastjsonschema'提示没有这个模块，就pip安装一下看看