talnagar opened a new issue, #29105:
URL: https://github.com/apache/airflow/issues/29105
### Apache Airflow version
2.5.1
### What happened
when using a dynamically generated task after a branch_task the graph
doesn't render. tried with BashOperator and a KubernetesPodOperator.
the developer console in the browser shows the error:
`Uncaught TypeError: Cannot read properties of undefined (reading 'length')
at z (graph.1c0596dfced26c638bfe.js:2:17499)
at graph.1c0596dfced26c638bfe.js:2:17654
at Array.map (<anonymous>)
at z (graph.1c0596dfced26c638bfe.js:2:17646)
at graph.1c0596dfced26c638bfe.js:2:26602
at graph.1c0596dfced26c638bfe.js:2:26655
at graph.1c0596dfced26c638bfe.js:2:26661
at graph.1c0596dfced26c638bfe.js:2:222
at graph.1c0596dfced26c638bfe.js:2:227
z @ graph.1c0596dfced26c638bfe.js:2
(anonymous) @ graph.1c0596dfced26c638bfe.js:2
z @ graph.1c0596dfced26c638bfe.js:2
(anonymous) @ graph.1c0596dfced26c638bfe.js:2
(anonymous) @ graph.1c0596dfced26c638bfe.js:2
(anonymous) @ graph.1c0596dfced26c638bfe.js:2
(anonymous) @ graph.1c0596dfced26c638bfe.js:2
(anonymous) @ graph.1c0596dfced26c638bfe.js:2
`
grid view renders fine.
### What you think should happen instead
graph should be rendered.
### How to reproduce
`@dag('branch_dynamic', schedule_interval=None, default_args=default_args,
catchup=False)
def branch_dynamic_flow():
@branch_task
def choose_path():
return 'b'
@task
def a():
print('a')
b = BashOperator.partial(task_id="b").expand(bash_command=["echo 1",
"echo 2"])
path = choose_path()
path >> a()
path >> b
dag = branch_dynamic_flow()
`
### Operating System
red hat
### Versions of Apache Airflow Providers
apache-airflow-providers-cncf-kubernetes | 5.1.1 | Kubernetes
### Deployment
Official Apache Airflow Helm Chart
### Deployment details
_No response_
### Anything else
_No response_
### Are you willing to submit PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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