Seacen Zhao created AIRFLOW-3651:
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Summary: email.py will break import airflow
Key: AIRFLOW-3651
URL: https://issues.apache.org/jira/browse/AIRFLOW-3651
Project: Apache Airflow
Issue Type: Bug
Affects Versions: 1.10.1
Reporter: Seacen Zhao
Test scenario:
# create email.py empty file in $AIRFLOW_HOME/dags/ folder
# run python in $AIRFLOW_HOME/dags/ folder
# execute *import airflow*
# Encounter below error:
>>> import airflow
No handlers could be found for logger "airflow.logging_config"
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/site-packages/airflow/__init__.py", line 36, in
<module>
from airflow import settings
File "/usr/lib/python2.7/site-packages/airflow/settings.py", line 259, in
<module>
configure_logging()
File "/usr/lib/python2.7/site-packages/airflow/logging_config.py", line 72, in
configure_logging
raise e
ValueError: Unable to configure handler 'task': Cannot resolve
'airflow.utils.log.file_task_handler.FileTaskHandler': cannot import name DAG
Note that even after email.py is removed from the folder, the problem still
exists. Can only disappear by deleting the dags folder completely and re-create
it.
This issue would impact testing of dag script.
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