from pydantic import BaseModel class IspConnectionBase(BaseModel): location_code: str contract_num: str contract_date: str contract_company: str cost: int speed: int connection_type: str network: str address_type: str class IspConnectionCreate(IspConnectionBase): isp_id: int class IspConnectionRead(IspConnectionBase): id: int class IspConnectionRemove(IspConnectionBase): pass class IspConnectionChange(IspConnectionBase): pass