code: def _make_images(face):
      # make a collection of faces
      images = np.zeros((3,) + face.shape)
      images[0] = face
      images[1] = face + 1
      images[2] = face + 2
      return images
  
imports: import numpy
  import pytest
  from scipy import ndimage
  from scipy.sparse.csgraph import connected_components
  from sklearn.feature_extraction.image import PatchExtractor, _extract_patches, extract_patches_2d, grid_to_graph, img_to_graph, reconstruct_from_patches_2d
label_desc: Use image node_id 8 for calling a global function with example usage: _make_images(face) and returns: images