stijndehaes commented on issue #14818:
URL: https://github.com/apache/airflow/issues/14818#issuecomment-800029525
I am running into a similar issue with airflo 1.10.14.
```
Traceback (most recent call last):
File "scripts/test_airflow.py", line 15, in <module>
db.initdb()
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/airflow/utils/db.py",
line 345, in initdb
dag.sync_to_db()
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/airflow/utils/db.py",
line 74, in wrapper
return func(*args, **kwargs)
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/airflow/models/dag.py",
line 1507, in sync_to_db
from airflow.models.serialized_dag import SerializedDagModel
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/airflow/models/serialized_dag.py",
line 35, in <module>
from airflow.serialization.serialized_objects import SerializedDAG
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/airflow/serialization/serialized_objects.py",
line 40, in <module>
from airflow.www.utils import get_python_source
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/airflow/www/utils.py",
line 40, in <module>
import flask_admin.contrib.sqla.filters as sqlafilters
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/flask_admin/contrib/sqla/__init__.py",
line 2, in <module>
from .view import ModelView
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/flask_admin/contrib/sqla/view.py",
line 18, in <module>
from flask_admin.contrib.sqla.tools import is_relationship
File
"/home/runner/work/lighthouse-datafy/lighthouse-datafy/data-plane/airflow/build/venv/lib/python3.7/site-packages/flask_admin/contrib/sqla/tools.py",
line 4, in <module>
from sqlalchemy.ext.declarative.clsregistry import _class_resolver
ModuleNotFoundError: No module named
'sqlalchemy.ext.declarative.clsregistry'
```
Downgrading also fixes the problem
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