code: def image(self):
      if self._image is not None:
          return self._image
      else:
          _image = self.read_image()
          return _image
  
imports: import os
  import abc
  import numpy
  import imageio
  import PIL
  from PIL import Image
label_desc: Use image node_id 4 for calling the CapturedImage obj's underlying member method code with example usage: obj.image() and returns: self, _image