arollet22 opened a new issue, #48698:
URL: https://github.com/apache/airflow/issues/48698
### Apache Airflow version
2.10.5
### If "Other Airflow 2 version" selected, which one?
_No response_
### What happened?
After setting the Airflow configuration "default_task_execution_timeout" to
a value (tried with 30 and 86400), DAGs containing the parameter
"execution_timeout=None" break the DAG view initially although the DAG is
present in the home page and seems to be correctly loaded in the DAG bag. When
a DAG run gets created, it completely breaks the scheduler process.
### What you think should happen instead?
You should be able to set a default_task_execution_timeout and let users
override it with a None value, or at least do not make it break the scheduler.
### How to reproduce
Tested locally with Airflow 2.10.5 standalone (after production issue on
MWAA 2.9.2).
Extract of Airflow.cfg used:
```airflow.cfg
# The default task execution_timeout value for the operators. Expected an
integer value to
# be passed into timedelta as seconds. If not specified, then the value is
considered as None,
# meaning that the operators are never timed out by default.
#
# Variable: AIRFLOW__CORE__DEFAULT_TASK_EXECUTION_TIMEOUT
#
default_task_execution_timeout = 86400
```
Example DAG that breaks the scheduler:
```python
from datetime import datetime
from airflow import DAG
from airflow.operators.python import PythonOperator
# dag definition:
with DAG(
dag_id="execution_timeout_failure",
start_date=datetime(2024, 10, 10,),
schedule_interval="6 16 * * *", # set it such that a dag run gets
created soon after you can change config
catchup=False,
) as dag:
hello_world = PythonOperator(
task_id='hello_world',
python_callable=lambda: print("Hello World"),
# execution_timeout=None # uncomment this line after updating
airflow.cfg
)
```
### Operating System
macOS 15.3.1 (24D70)
### Versions of Apache Airflow Providers
_No response_
### Deployment
Virtualenv installation
### Deployment details
_No response_
### Anything else?
<details><summary>webserver logs when trying to access the DAG view</summary>
webserver | [2025-04-02T18:04:27.478+0200] {app.py:1744} ERROR - Exception
on /dags/execution_timeout_failure/grid [GET]
webserver | Traceback (most recent call last):
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/flask/app.py",
line 2529, in wsgi_app
webserver | response = self.full_dispatch_request()
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/flask/app.py",
line 1825, in full_dispatch_request
webserver | rv = self.handle_user_exception(e)
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/flask/app.py",
line 1823, in full_dispatch_request
webserver | rv = self.dispatch_request()
webserver | ^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/flask/app.py",
line 1799, in dispatch_request
webserver | return
self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
webserver |
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/www/auth.py",
line 250, in decorated
webserver | return _has_access(
webserver | ^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/www/auth.py",
line 163, in _has_access
webserver | return func(*args, **kwargs)
webserver | ^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/www/decorators.py",
line 198, in view_func
webserver | return f(*args, **kwargs)
webserver | ^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/session.py",
line 97, in wrapper
webserver | return func(*args, session=session, **kwargs)
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/www/views.py",
line 2920, in grid
webserver | dag = get_airflow_app().dag_bag.get_dag(dag_id, session=session)
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/session.py",
line 94, in wrapper
webserver | return func(*args, **kwargs)
webserver | ^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/dagbag.py",
line 221, in get_dag
webserver | self._add_dag_from_db(dag_id=dag_id, session=session)
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/dagbag.py",
line 303, in _add_dag_from_db
webserver | dag = row.dag
webserver | ^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/serialized_dag.py",
line 235, in dag
webserver | return SerializedDAG.from_dict(data)
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1785, in from_dict
webserver | return cls.deserialize_dag(serialized_obj["dag"])
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1697, in deserialize_dag
webserver | deser =
SerializedBaseOperator.deserialize_operator(obj[Encoding.VAR])
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1436, in deserialize_operator
webserver | cls.populate_operator(op, encoded_op)
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1300, in populate_operator
webserver | v = cls._deserialize_timedelta(v)
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 910, in _deserialize_timedelta
webserver | return datetime.timedelta(seconds=seconds)
webserver | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
webserver | TypeError: unsupported type for timedelta seconds component:
NoneType
</details>
<details><summary>scheduler logs when a DAG run is triggered</summary>
scheduler | [2025-04-02T18:06:02.272+0200] {scheduler_job_runner.py:1016}
ERROR - Exception when executing SchedulerJob._run_scheduler_loop
scheduler | Traceback (most recent call last):
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 999, in _execute
scheduler | self._run_scheduler_loop()
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1138, in _run_scheduler_loop
scheduler | num_queued_tis = self._do_scheduling(session)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1244, in _do_scheduling
scheduler | self._create_dagruns_for_dags(guard, session)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/retries.py",
line 93, in wrapped_function
scheduler | for attempt in run_with_db_retries(max_retries=retries,
logger=logger, **retry_kwargs):
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/tenacity/__init__.py",
line 435, in __iter__
scheduler | do = self.iter(retry_state=retry_state)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/tenacity/__init__.py",
line 368, in iter
scheduler | result = action(retry_state)
scheduler | ^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/tenacity/__init__.py",
line 390, in <lambda>
scheduler | self._add_action_func(lambda rs: rs.outcome.result())
scheduler | ^^^^^^^^^^^^^^^^^^^
scheduler | File
"/opt/homebrew/Cellar/[email protected]/3.11.10/Frameworks/Python.framework/Versions/3.11/lib/python3.11/concurrent/futures/_base.py",
line 449, in result
scheduler | return self.__get_result()
scheduler | ^^^^^^^^^^^^^^^^^^^
scheduler | File
"/opt/homebrew/Cellar/[email protected]/3.11.10/Frameworks/Python.framework/Versions/3.11/lib/python3.11/concurrent/futures/_base.py",
line 401, in __get_result
scheduler | raise self._exception
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/retries.py",
line 102, in wrapped_function
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1318, in _create_dagruns_for_dags
scheduler | self._create_dag_runs(non_dataset_dags, session)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/traces/tracer.py",
line 58, in wrapper
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1353, in _create_dag_runs
scheduler | dag = self.dagbag.get_dag(dag_model.dag_id, session=session)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/session.py",
line 94, in wrapper
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/dagbag.py",
line 221, in get_dag
scheduler | self._add_dag_from_db(dag_id=dag_id, session=session)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/dagbag.py",
line 303, in _add_dag_from_db
scheduler | dag = row.dag
scheduler | ^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/serialized_dag.py",
line 235, in dag
scheduler | return SerializedDAG.from_dict(data)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1785, in from_dict
scheduler | return cls.deserialize_dag(serialized_obj["dag"])
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1697, in deserialize_dag
scheduler | deser =
SerializedBaseOperator.deserialize_operator(obj[Encoding.VAR])
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1436, in deserialize_operator
scheduler | cls.populate_operator(op, encoded_op)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1300, in populate_operator
scheduler | v = cls._deserialize_timedelta(v)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 910, in _deserialize_timedelta
scheduler | return datetime.timedelta(seconds=seconds)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | TypeError: unsupported type for timedelta seconds component:
NoneType
scheduler | [2025-04-02T18:06:03.308+0200] {process_utils.py:132} INFO -
Sending 15 to group 79173. PIDs of all processes in the group: [79173]
scheduler | [2025-04-02T18:06:03.308+0200] {process_utils.py:87} INFO -
Sending the signal 15 to group 79173
scheduler | [2025-04-02T18:06:03.610+0200] {process_utils.py:80} INFO -
Process psutil.Process(pid=79173, status='terminated', exitcode=0,
started='18:01:49') (79173) terminated with exit code 0
scheduler | [2025-04-02T18:06:03.611+0200] {scheduler_job_runner.py:1029}
INFO - Exited execute loop
scheduler | Traceback (most recent call last):
scheduler | File "/Users/mac-XXX/standalone-airflow/.venv/bin/airflow",
line 8, in <module>
scheduler | sys.exit(main())
scheduler | ^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/__main__.py",
line 62, in main
scheduler | args.func(args)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/cli/cli_config.py",
line 49, in command
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/cli.py",
line 116, in wrapper
scheduler | return f(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/providers_configuration_loader.py",
line 55, in wrapped_function
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/cli/commands/scheduler_command.py",
line 56, in scheduler
scheduler | run_command_with_daemon_option(
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/cli/commands/daemon_utils.py",
line 86, in run_command_with_daemon_option
scheduler | callback()
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/cli/commands/scheduler_command.py",
line 59, in <lambda>
scheduler | callback=lambda: _run_scheduler_job(args),
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/cli/commands/scheduler_command.py",
line 47, in _run_scheduler_job
scheduler | run_job(job=job_runner.job,
execute_callable=job_runner._execute)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/session.py",
line 97, in wrapper
scheduler | return func(*args, session=session, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/job.py",
line 421, in run_job
scheduler | return execute_job(job, execute_callable=execute_callable)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/job.py",
line 450, in execute_job
scheduler | ret = execute_callable()
scheduler | ^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 999, in _execute
scheduler | self._run_scheduler_loop()
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1138, in _run_scheduler_loop
scheduler | num_queued_tis = self._do_scheduling(session)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1244, in _do_scheduling
scheduler | self._create_dagruns_for_dags(guard, session)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/retries.py",
line 93, in wrapped_function
scheduler | for attempt in run_with_db_retries(max_retries=retries,
logger=logger, **retry_kwargs):
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/tenacity/__init__.py",
line 435, in __iter__
scheduler | do = self.iter(retry_state=retry_state)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/tenacity/__init__.py",
line 368, in iter
scheduler | result = action(retry_state)
scheduler | ^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/tenacity/__init__.py",
line 390, in <lambda>
scheduler | self._add_action_func(lambda rs: rs.outcome.result())
scheduler | ^^^^^^^^^^^^^^^^^^^
scheduler | File
"/opt/homebrew/Cellar/[email protected]/3.11.10/Frameworks/Python.framework/Versions/3.11/lib/python3.11/concurrent/futures/_base.py",
line 449, in result
scheduler | return self.__get_result()
scheduler | ^^^^^^^^^^^^^^^^^^^
scheduler | File
"/opt/homebrew/Cellar/[email protected]/3.11.10/Frameworks/Python.framework/Versions/3.11/lib/python3.11/concurrent/futures/_base.py",
line 401, in __get_result
scheduler | raise self._exception
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/retries.py",
line 102, in wrapped_function
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1318, in _create_dagruns_for_dags
scheduler | self._create_dag_runs(non_dataset_dags, session)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/traces/tracer.py",
line 58, in wrapper
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/jobs/scheduler_job_runner.py",
line 1353, in _create_dag_runs
scheduler | dag = self.dagbag.get_dag(dag_model.dag_id, session=session)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/utils/session.py",
line 94, in wrapper
scheduler | return func(*args, **kwargs)
scheduler | ^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/dagbag.py",
line 221, in get_dag
scheduler | self._add_dag_from_db(dag_id=dag_id, session=session)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/dagbag.py",
line 303, in _add_dag_from_db
scheduler | dag = row.dag
scheduler | ^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/models/serialized_dag.py",
line 235, in dag
scheduler | return SerializedDAG.from_dict(data)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1785, in from_dict
scheduler | return cls.deserialize_dag(serialized_obj["dag"])
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1697, in deserialize_dag
scheduler | deser =
SerializedBaseOperator.deserialize_operator(obj[Encoding.VAR])
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1436, in deserialize_operator
scheduler | cls.populate_operator(op, encoded_op)
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 1300, in populate_operator
scheduler | v = cls._deserialize_timedelta(v)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | File
"/Users/mac-XXX/standalone-airflow/.venv/lib/python3.11/site-packages/airflow/serialization/serialized_objects.py",
line 910, in _deserialize_timedelta
scheduler | return datetime.timedelta(seconds=seconds)
scheduler | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
scheduler | TypeError: unsupported type for timedelta seconds component:
NoneType
</details>
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [x] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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