from typing import Optional from pydantic import BaseModel, Field class UserEntity(BaseModel): id: int = Field(..., example=1) first_name: str = Field(..., example='Ivan') last_name: str = Field(..., example='Ivanov') patronymic: Optional[str] = Field(None, example='Ivanov') login: str = Field(..., example='ivanov74') role_id: int = Field(..., example=1)