code: def call_item(self):
      item = self._load_item()
  
      if item is not None and callable(item):
          item = item(**self.kwargs)
  
      return item
  
imports: import os
  import sys
  import importlib.util
  from abc import ABC, abstractmethod
  import json
  import yaml
  import difflib
label_desc: Use image node_id 3 for calling the Loader obj's underlying member method code with example usage: obj.call_item() and returns: item