code: def original(image, **kwargs):
      """Return the original image, ignoring any kwargs."""
      return image
  
imports: from skimage import data
  from skimage import color
  from skimage.filters import meijering, sato, frangi, hessian
  import matplotlib.pyplot
label_desc: Use image node_id 1 for calling a global function with example usage: original(image) and returns: image