### 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("last_dagruns", follow_redirects=True)
    check_content_in_response("example_bash_operator", resp)
def test_last_dagruns_success_when_selecting_dags(admin_client):
    resp = admin_client.post(
        "last_dagruns", data={"dag_ids": ["example_subdag_operator"]}, follow_redirects=True
    )
    assert resp.status_code == 200
    stats = json.loads(resp.data.decode("utf-8"))
    assert "example_bash_operator" not in stats
    assert "example_subdag_operator" in stats
    
    resp = admin_client.post(
        "last_dagruns",
        data={"dag_ids": ["example_subdag_operator", "example_bash_operator"]},
        follow_redirects=True,
    )
    stats = json.loads(resp.data.decode("utf-8"))
    assert "example_bash_operator" in stats
    assert "example_subdag_operator" in stats
    check_content_not_in_response("example_xcom", resp)
def test_code(admin_client):