josh-fell commented on issue #29102:
URL: https://github.com/apache/airflow/issues/29102#issuecomment-1400706033
FWIW I cannot reproduce this with Breeze `breeze start-airflow
--use-airflow-version 2.5.1 --python 3.8`.
A little bit of a toy example since we don't know what's going on with the
`get_file_list()` and `transform_data()` functions:
```python
from pendulum import datetime
from airflow import DAG
from airflow.operators.python import PythonOperator
def get_file_list():
return ["file1", "file2", "file3"]
def prep_args(file_name):
return {"file_name": file_name}
def transfer_data(file_name):
print(file_name)
with DAG(
"imparted_orders_lascana",
start_date=datetime(2023, 1, 1),
schedule=None
) as dag:
t0 = PythonOperator(
task_id="get_file_list",
python_callable=get_file_list,
)
t1 = PythonOperator.partial(
task_id="transfer_data",
python_callable=transfer_data,
).expand(op_kwargs=t0.output.map(prep_args))
```
<img width="1440" alt="image"
src="https://user-images.githubusercontent.com/48934154/214106200-b0e9ba04-980b-4013-8d62-60cd0cbc2a8e.png";>
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