cris-b opened a new issue #15273:
URL: https://github.com/apache/airflow/issues/15273
**Apache Airflow version**: 1.10.15
**Kubernetes version (if you are using kubernetes)** (use `kubectl version`):
**Environment**:
- **OS** (e.g. from /etc/os-release): Redhat 8.3
**What happened**:
Installed airflow with pip, it picked up sql alchemy 1.4.6 as a dependency.
This causes airflow to fil to run as flask-admin 1.5.4 is not compatible
with sqlalchemy 1.4. flask-admin 1.5.6 is however.
Traceback (most recent call last):
File "/usr/local/bin/airflow", line 26, in <module>
from airflow.bin.cli import CLIFactory
File "/usr/local/lib/python3.8/site-packages/airflow/bin/cli.py", line 82,
in <module>
from airflow.www.app import (cached_app, create_app)
File "/usr/local/lib/python3.8/site-packages/airflow/www/app.py", line 42,
in <module>
from airflow.www.blueprints import routes
File "/usr/local/lib/python3.8/site-packages/airflow/www/blueprints.py",
line 25, in <module>
from airflow.www import utils as wwwutils
File "/usr/local/lib/python3.8/site-packages/airflow/www/utils.py", line
40, in <module>
import flask_admin.contrib.sqla.filters as sqlafilters
File
"/usr/local/lib/python3.8/site-packages/flask_admin/contrib/sqla/__init__.py",
line 2, in <module>
from .view import ModelView
File
"/usr/local/lib/python3.8/site-packages/flask_admin/contrib/sqla/view.py", line
18, in <module>
from flask_admin.contrib.sqla.tools import is_relationship
File
"/usr/local/lib/python3.8/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'
**What you expected to happen**:
setup.py has a dependency on sqlalchemy=~1.3 so should not pull 1.4
**How to reproduce it**:
pip install "apache-airflow < 2.0"
airflow version
<above python trace>
the pip install log shows:
Collecting sqlalchemy~=1.3
Downloading SQLAlchemy-1.4.6-cp38-cp38-manylinux2014_x86_64.whl (1.5 MB)
How often does this problem occur? Once? Every time etc?
Every time.
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