Desdroid commented on issue #55759:
URL: https://github.com/apache/airflow/issues/55759#issuecomment-3306615563
> I could be way off here, but I haven't seen folks `return` something from
a `@task_group` before... My guess is that's the issue?
You definitely can return something from a task group. The issue is that you
can't map again (expand) over the output of a task group. Maybe that is by
design ?
I thought it was a bug because I expected the task group to be equivalent to
expanding the functions one after the other - where then I could use the output
to map again (This is also the workaround I'm using currently).
So this works (it will log the list as one):
```python
log_num(text="Got numbers: ", num=_processed_numbers)
```
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