akotlar opened a new issue #13242:
URL: https://github.com/apache/airflow/issues/13242
**Apache Airflow version**: 2.0.0
**Environment**:
- **Cloud provider or hardware configuration**:
- **OS** (e.g. from /etc/os-release): NAME="Ubuntu 18.04.5 LTS"
- **Kernel** (e.g. `uname -a`): Linux 18.04.1-Ubuntu SMP
- **Install tools**:
- **Others**:
**What happened**:
Tree view does not properly represent the relationship between dependent
task groups. Names are completely wrong.
**What you expected to happen**:
Task groups to be descendants of one another. Names to be correct, prefixed
by the name of the task group
**How to reproduce it**:
Reproduction attached. TL;DR:
```python
with DAG(dag_id=DAG_NAME,
default_args=default_args,
schedule_interval='@daily',
max_active_runs=1,
catchup=False,
tags=['test'],
is_paused_upon_creation=True) as dag:
folders = ['test1', 'test2', 'test3', 'test4']
start = DummyOperator(task_id="start")
with TaskGroup("step1") as task_group1:
for path in folders:
f1 = PythonOperator(
task_id=path,
python_callable=fn1
)
with TaskGroup("step2") as task_group2:
for path in folders:
f2 = PythonOperator(
task_id=path,
python_callable=fn2
)
with TaskGroup("step3") as task_group3:
for path in folders:
f3 = PythonOperator(
task_id=path,
python_callable=fn3
)
start >> task_group1 >> task_group2 >> task_group3
```
**How often does this problem occur? Once? Every time etc?**
Every time
[repo.py.gz](https://github.com/apache/airflow/files/5727820/repo.py.gz)
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