ashb commented on issue #8908:
URL: https://github.com/apache/airflow/issues/8908#issuecomment-630711312
Trying this:
```
@classmethod
def setUpClass(cls):
from celery.backends.database.session import SessionManager
backend_uri = conf.get('celery', 'result_backend')
__import__('pdb').set_trace()
SessionManager().session_factory(backend_uri)
```
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