code: def test_full_pipe_multichannel_vs_numpy():
      for device in {"cpu", "gpu"}:
          for batch_size in {1, 3}:
              yield check_full_pipe_multichannel_vs_numpy, device, batch_size
  
imports: from nvidia.dali.pipeline import Pipeline
  import nvidia.dali.ops
  import nvidia.dali.types
  import numpy
  import os
  from test_utils import compare_pipelines
  from test_utils import RandomDataIterator
  import cv2
  import glob
label_desc: Use image node_id 12 for calling a global function with example usage: test_full_pipe_multichannel_vs_numpy() without return types