},
                        "500": {"description": "Server error level 0"},
                        "501": {"description": "Server error level 1"},
                        "502": {"description": "Server error level 2"},
                        "503": {"description": "Server error level 3"},
                        "504": {"description": "Server error level 4"},

```Python
from fastapi import Depends, FastAPI, HTTPException
from typing_extensions import Annotated

app = FastAPI()


data = {
    "plumbus": {"description": "Freshly pickled plumbus", "owner": "Morty"},
    "portal-gun": {"description": "Gun to create portals", "owner": "Rick"},
}


class OwnerError(Exception):
    pass


def get_username():
    try:
        yield "Rick"