code: def model(self):
      if self._model is None:
          self._model = load(self.model_path)
      return self._model
  
file_path: sagemaker-python-sdk/tests/data/marketplace/iris/scoring_logic.py
imports: from enum import IntEnum
  import json
  import logging
  import re
  from flask import Flask
  from flask import request
  from joblib import dump, load
  import numpy
  import os
label_desc: Use image node_id 2 for calling the IrisModel obj's underlying member method code with example usage: obj.model() and returns: self