def METHOD_NAME(self, previous_last_ds, current_last_ds):
    previous_date = datetime.strptime(previous_last_ds, "%Y-%m-%d")
    current_date = datetime.strptime(current_last_ds, "%Y-%m-%d")
    if current_date != previous_date and current_date != previous_date + timedelta(
        days=1
    ):
        return False
    else:
        return True