ashb commented on issue #19785:
URL: https://github.com/apache/airflow/issues/19785#issuecomment-1174906527
```python
from datetime import datetime
from airflow.models.baseoperator import chain
from airflow.operators.dummy import DummyOperator
from airflow.utils.edgemodifier import Label
from airflow.utils.task_group import TaskGroup
from airflow import DAG
DEFAULT_ARGS = {
'depends_on_past': False,
'retries': 2
}
with DAG(
dag_id="label_bug_without_chain",
start_date=datetime(2022, 5, 20, 0),
default_args=DEFAULT_ARGS,
) as dag:
start = DummyOperator(task_id="sleep_3_seconds")
with TaskGroup(group_id="group1") as taskgroup1:
t1 = DummyOperator(task_id="dummy1")
t2 = DummyOperator(task_id="dummy2")
t3 = DummyOperator(task_id="dummy3")
t4 = DummyOperator(task_id="echo_done")
chain(start, [Label("branch three")], taskgroup1, t4)
```
The issue is still shows up with this dag though.
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