如何修复 Anaconda Navigator 中的此错误？

Question

当我在 Anaconda Navigator 中单击 Jupyter Notebook 时，我收到此错误。 我只是在使用 Jupyter Notebook，没有遇到任何问题。 我重新启动了我的电脑，现在我收到了这个。

    Traceback (most recent call last):
    File "C:\Users\csu5141\Anaconda3\Scripts\jupyter-notebook-script.py", line 6, in 
    from notebook.notebookapp import main
    File "C:\Users\csu5141\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 44, in 
    from jinja2 import Environment, FileSystemLoader
    File "C:\Users\csu5141\Anaconda3\lib\site-packages\jinja2\__init__.py", line 12, in 
    from .environment import Environment
    File "C:\Users\csu5141\Anaconda3\lib\site-packages\jinja2\environment.py", line 25, in 
    from .defaults import BLOCK_END_STRING
    File "C:\Users\csu5141\Anaconda3\lib\site-packages\jinja2\defaults.py", line 3, in 
    from .filters import FILTERS as DEFAULT_FILTERS # noqa: F401
    File "C:\Users\csu5141\Anaconda3\lib\site-packages\jinja2\filters.py", line 13, in 
    from markupsafe import soft_unicode
    ImportError: cannot import name 'soft_unicode' from 'markupsafe' (C:\Users\csu5141\Anaconda3\lib\site-packages\markupsafe\__init__.py)
    ```

Answer 1

内部环境终端使用 pip 安装 markupsafe==2.0.1