dstandish opened a new issue, #32836:
URL: https://github.com/apache/airflow/issues/32836
### Body
repro
```python
with DAG(dag_id="example_setup_one_to_many") as dag:
@setup
def my_setup():
print("setting up multiple things")
return [1, 2, 3]
@task
def my_work(val):
print(f"doing work with multiple things: {val}")
raise ValueError("fail!")
return val
@teardown
def my_teardown(val):
print(f"teardown: {val}")
s = my_setup()
t = my_teardown.expand(val=s)
with t:
w = my_work(s)
dag.test()
```
can verify more easily if you change `test` to return the dag run obj. then
call `dr.get_task_instances` and you will see you only get 3 instances -- the
but there sholud be more by mapping.
@uranusjr
### Committer
- [X] I acknowledge that I am a maintainer/committer of the Apache Airflow
project.
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