code: def diff_against_eps(image_1, image_2, eps):
      return (
          np.absolute(
              image_1.astype(float) - image_2.astype(float)
          ).max()
          <= eps
      )
  
imports: import argparse
  import os
  from math import ceil, sqrt
  import numpy
  import nvidia.dali.ops
  import nvidia.dali.types
  from nvidia.dali.pipeline import Pipeline
  from test_utils import get_dali_extra_path
  from test_utils import to_array
label_desc: Use image node_id 9 for calling a global function with example usage: diff_against_eps(image_1, image_2, eps) and returns: unknown