We could change the example with 

```
from dataclasses import dataclass

@dataclass
class InventoryItem:
    ...
```

Because it's not specified in the documentation (header, that we need to
import dataclass from dataclasses).

+1 for a small update.

You are free to propose a PR.

Have a nice day,

>I think the import is implied in the example since the docs page is for
>dataclasses module but adding an explicit import to InventoryItem at
>the top won't hurt too.
Yep, but explicit is better than implicit.