小编Ani*_*han的帖子

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\Anirudh\Documents\flask_app\connecting_to_database\application.py", line 2, in <module>
    from flask_sqlalchemy import SQLAlchemy
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\flask_sqlalchemy\__init__.py", line 18, in <module>
    import sqlalchemy
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\__init__.py", line 9, in <module>
    from .sql import (
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\sql\__init__.py", line 8, in <module>
    from .expression import (
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\sql\expression.py", line 34, in <module>
    from .visitors import Visitable
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\sql\visitors.py", line 28, in <module>
    from .. import util
  File "C:\Users\Anirudh\AppData\Local\Programs\Python\Python38\lib\site-packages\sqlalchemy\util\__init__.py", line 8, in <module>
    from .compat import callable, cmp, …