### Apache Airflow version

2.5.1

### What happened

/calendar page give a problem, here is the capture



![屏幕截图 2023-01-30 093116](https://user-images.githubusercontent.com/19165258/215369479-9fc7de5c-f190-460c-9cf7-9ab27d8ac355.png)


### What you think should happen instead

_No response_

### How to reproduce

_No response_

### Operating System

Ubuntu 22.04.1 LTS

### Versions of Apache Airflow Providers

Distributor ID: Ubuntu
Description:    Ubuntu 22.04.1 LTS
Release:        22.04
Codename:       jammy

### Deployment

Other

### Deployment details


Distributor ID: Ubuntu
Description:    Ubuntu 22.04.1 LTS
Release:        22.04
Codename:       jammy

### Anything else

_No response_

### Are you willing to submit PR?

- [ ] 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)

resp = admin_client.post(url, data=data, follow_redirects=True)
    check_content_in_response(content, resp)
@pytest.mark.parametrize("url", ["failed", "success"])
def test_dag_never_run(admin_client, url):
    dag_id = "example_bash_operator"
    form = dict(
        task_id="run_this_last",
        dag_id=dag_id,
        execution_date=DEFAULT_DATE,
        upstream="false",
        downstream="false",
        future="false",
        past="false",
        origin="/graph?dag_id=example_bash_operator",
    )
    clear_db_runs()
    resp = admin_client.post(url, data=form, follow_redirects=True)
    check_content_in_response(f"Cannot mark tasks as {url}, seem that DAG {dag_id} has never run", resp)
class _ForceHeartbeatCeleryExecutor(CeleryExecutor):