from future import annotations dataclassmodule2 py and dataclassmodule2str py are identical except only the latter uses string annotations from __future__ import annotations dataclass_module_2 py and dataclass_module_2_str py are identical except only the latter uses string annotations when using string annotations this field is not recognized as a classvar when using string annotations this field is not recognized as an initvar
USING_STRINGS = False




from dataclasses import dataclass, InitVar
from typing import ClassVar

T_CV2 = ClassVar[int]
T_CV3 = ClassVar

T_IV2 = InitVar[int]
T_IV3 = InitVar

@dataclass
class CV:
    T_CV4 = ClassVar
    cv0: ClassVar[int] = 20
    cv1: ClassVar = 30
    cv2: T_CV2
    cv3: T_CV3
    not_cv4: T_CV4  

@dataclass
class IV:
    T_IV4 = InitVar
    iv0: InitVar[int]
    iv1: InitVar
    iv2: T_IV2
    iv3: T_IV3
    not_iv4: T_IV4