ImportError: cannot import name 'ModelMetaclass' from 'pydantic.main'

Open mattlgroff opened this issue 1 year ago • 1 comments

Error when using Motor ODM with latest Pydantic 2.8.2 (and maybe earlier)

ImportError: cannot import name 'ModelMetaclass' from 'pydantic.main' 
(/app/.venv/lib/python3.12/site-packages/pydantic/main.py)

dependencies = [
    "motor-odm>=0.1.dev0",
    "motor>=3.5.1",
    "pydantic>=2.8.2",
]

Sep 01 '24 18:09 mattlgroff

https://github.com/pydantic/pydantic/issues/6381

This issue suggesting updating the import to:

from pydantic._internal._model_construction import ModelMetaclass

Sep 01 '24 18:09 mattlgroff