from dataclasses import dataclass from typing import Optional import marshmallow_dataclass from marshmallow import EXCLUDE @dataclass class User: chat_id: int name: Optional[str] = None group: Optional[str] = None hse_id: Optional[int] = None state: str = "new" notify_minutes: Optional[int] = 10 class Meta: unknown = EXCLUDE @dataclass class Lesson: hse_id: int UserSchema = marshmallow_dataclass.class_schema(User)