no error when using `field` outside of a `dataclass`

[DetachHead]

from dataclasses import field

a = field(default=1)

a + 1  # runtime error
reveal_type(a)  # int

playground

[KotlinIsland]

Take it to typeshed general

[KotlinIsland]

from dataclasses import dataclass, field

@dataclass
class A:
    a = field(default=1)
    print(a + 1)