POD666 opened a new issue #14884:
URL: https://github.com/apache/airflow/issues/14884
The recent release of Flask-SQLAlchemy==2.5.0 breaks py27 compatibility
**Apache Airflow version**: 1.10.9
**What happened**:
```
Traceback (most recent call last):
...
from airflow.bin.cli import CLIFactory
File
"...tox/dbnd-aws/py27/lib/python2.7/site-packages/airflow/bin/cli.py", line 71,
in <module>
from airflow.www_rbac.app import cached_app as cached_app_rbac
File
"...tox/dbnd-aws/py27/lib/python2.7/site-packages/airflow/www_rbac/app.py",
line 27, in <module>
from flask_appbuilder import AppBuilder, SQLA
File
"...tox/dbnd-aws/py27/lib/python2.7/site-packages/flask_appbuilder/__init__.py",
line 4, in <module>
from .models.sqla import Model, Base, SQLA
File
"...tox/dbnd-aws/py27/lib/python2.7/site-packages/flask_appbuilder/models/sqla/__init__.py",
line 5, in <module>
from flask_sqlalchemy import SQLAlchemy, DefaultMeta, _QueryProperty
File
"...tox/dbnd-aws/py27/lib/python2.7/site-packages/flask_sqlalchemy/__init__.py",
line 39, in <module>
from threading import get_ident as _ident_func
ImportError: cannot import name get_ident
```
**Anything else we need to know**:
https://github.com/pallets/flask-sqlalchemy/issues/936
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