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in VS Code ImportError: cannot import name 'Mapping' from 'collections'

I am trying to connect to Postgress and create a folder test.db via Flask. When I run "python3" in the terminal and from there when I run "from app import db" I get an import error:

ImportError: cannot import name 'Mapping' from 'collections' (/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/collections/__init__.py)

I have tried all the troubleshooting but none of them worked. Please advise. Here is the full stack: full stack error

over 4 years ago · Santiago Trujillo
3 answers
Answer question

0

As Mitra said above, change:

from collections import Mapping

to

from collections.abc import Mapping
over 4 years ago · Santiago Trujillo Report

0

As stated by others, this is caused by a change in the collections interface starting with Python 3.10. As far as I can see there are three options to mitigate this issue so far:

  • Revert to Python 3.9.

  • If the error occurs in a third-party library, try to update this library first (pip install <package> --upgrade).

  • Patch the code manually.

    For patching the ImportError, see https://stackoverflow.com/a/69727802/13994294.

over 4 years ago · Santiago Trujillo Report

0

Use older version of python (eg 3.8)

over 4 years ago · Santiago Trujillo Report
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