from datetime import datetime from pydantic import BaseModel class FeedWaitingTimeIn(BaseModel): id: int vn: int | None = None txn: int | None = None hn: str | None = None name: str | None = None doctor_code: str | None = None doctor_name: str | None = None location_code: str | None = None location_name: str | None = None step_name: str | None = None time: datetime