tylermichael commented on issue #11882:
URL: https://github.com/apache/airflow/issues/11882#issuecomment-735893235
I found this error in the logs for my subdag task. I'm not sure if they are
linked but I thought I'd put it here anyway.
```
ERROR - can't compare offset-naive and offset-aware datetimes
Traceback (most recent call last):
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/models/taskinstance.py",
line 984, in _run_raw_task
result = task_copy.execute(context=context)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/operators/subdag_operator.py",
line 102, in execute
executor=self.executor)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/models/dag.py", line
1432, in run
job.run()
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/base_job.py",
line 218, in run
self._execute()
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/utils/db.py", line
74, in wrapper
return func(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/backfill_job.py",
line 787, in _execute
session=session)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/utils/db.py", line
70, in wrapper
return func(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/backfill_job.py",
line 703, in _execute_for_run_dates
dag_run = self._get_dag_run(next_run_date, session=session)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/utils/db.py", line
70, in wrapper
return func(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/jobs/backfill_job.py",
line 322, in _get_dag_run
run.verify_integrity(session=session)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/utils/db.py", line
70, in wrapper
return func(*args, **kwargs)
File
"/home/airflow/.local/lib/python3.6/site-packages/airflow/models/dagrun.py",
line 394, in verify_integrity
if task.start_date > self.execution_date and not self.is_backfill:
TypeError: can't compare offset-naive and offset-aware datetimes
```
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