from typing import Optional from pydantic import BaseModel, root_validator from datetime import datetime class CreateVehicle(BaseModel): Id: int Model: str Year: int LicensePlate: str Type: str Mileage: int class OutputVehicle(BaseModel): Id: int Model: str Year: int LicensePlate: str Type: str Mileage: int CurrentLocation: Optional[list[str]] = None Fuel: Optional[int] = 0 MaintenanceNotes: Optional[list[str]] = None AssignedDriverIds: Optional[list[int]] = None