code: def __call__(self, x):
      return _apply(x, self.fn)
  
imports: from __future__ import annotations
  import unittest
  from copy import deepcopy
  import numpy
  import torch
  from parameterized import parameterized
  from monai.transforms import Compose
  from monai.transforms.compose import OneOf
  from monai.transforms.transform import Transform
  from monai.transforms.utils import get_number_image_type_conversions
  from monai.utils import convert_to_numpy, convert_to_tensor
label_desc: Use image node_id 2 for calling the Load obj's underlying member method code with example usage: obj.__call__(x) and returns: _apply