code: def _load(self):
      self.model_a = self.model_dependencies["model_a"]
      self.model_b = self.model_dependencies["model_b"]
      self.model_c = self.model_dependencies["model_c"]
      self.model_d = self.model_dependencies["model_d"]
  
imports: import math
  import time
  from typing import Any, Dict
  import pytest
  from modelkit.core import ModelLibrary
  from modelkit.core.model import Model
  from modelkit.core.profilers.simple import SimpleProfiler
label_desc: Use image node_id 1 for calling the Pipeline2 obj's underlying member method code with example usage: obj._load() without return types