from dataclasses import dataclass, field
from typing import List, Union

from fastapi import FastAPI


@dataclass
class Item:
 name: str
 price: float
 tags: List[str] = field(default_factory=list)
 description: Union[str, None] = None
 tax: Union[float, None] = None


app = FastAPI()


@app.get("/items/next", response_model=Item)
async def read_next_item():
 return {
 "name": "Island In The Moon",
 "price": 12.99,
 "description": "A place to be be playin' and havin' fun",
 "tags": ["breater"],
 }