### 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)

"duration": None,
            "end_date": None,
            "executor_config": {},
            "external_executor_id": None,
            "hostname": "",
            "job_id": None,
            "map_index": -1,
            "max_tries": 0,
            "next_kwargs": None,
            "next_method": None,
            "operator": "BashOperator",
            "pid": None,
            "pool": "default_pool",
            "pool_slots": 1,
            "priority_weight": 2,
            "queue": "default",
            "queued_by_job_id": None,
            "queued_dttm": None,
            "run_id": "TEST_DAGRUN",
            "start_date": None,
            "state": None,
            "task_id": "run_after_loop",
            "trigger_id": None,
            "trigger_timeout": None,
            "try_number": 1,
            "unixname": getuser(),
            "updated_at": DEFAULT_DATE.isoformat(),
        },
        "run_this_last": {
            "dag_id": "example_bash_operator",