CODEWITHSUNDEEP
pythonflaskpython-typing
Kratos_bawa
Kratos_bawa

Reputation: 11

Flask AttributeError on import: module 'typing' has no attribute 'NoReturn'

import flask

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "C:\Users\vigne\AppData\Local\Programs\Python\Python36\lib\site-packages\flask\__init__.py", line 17, in <module>
    from werkzeug.exceptions import abort
  File "C:\Users\vigne\AppData\Local\Programs\Python\Python36\lib\site-packages\werkzeug\__init__.py", line 1, in <module>
    from .serving import run_simple
  File "C:\Users\vigne\AppData\Local\Programs\Python\Python36\lib\site-packages\werkzeug\serving.py", line 31, in <module>
    from .exceptions import InternalServerError
  File "C:\Users\vigne\AppData\Local\Programs\Python\Python36\lib\site-packages\werkzeug\exceptions.py", line 884, in <module>
    class Aborter:
  File "C:\Users\vigne\AppData\Local\Programs\Python\Python36\lib\site-packages\werkzeug\exceptions.py", line 906, in Aborter
    ) -> t.NoReturn:
AttributeError: module 'typing' has no attribute 'NoReturn'

I am getting this error whenever I try importing Flask.

Currently, I am on Python version 3.6.0.

Upvotes: 1

Views: 11392

Answers (2)

Alveona
Alveona

Reputation: 978

They fixed this issue in a new release (Flask 2.0.1).

Try updating flask with pip install Flask --upgrade. Alternatively, upgrade your Python version to 3.6.2.

Upvotes: 1

Satyapal Singh
Satyapal Singh

Reputation: 21

I ran into the same problem and it has to do with the version of Python==3.6.0 that you are using. As suggested by Alveona, upgrading it to 3.6.2 fixed this issue.

Upvotes: 2

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