code: def do_nop(model, node, layers):
      return model, layers
  
file_path: hls4ml/test/pytest/test_graph.py
imports: from pathlib import Path
  import numpy
  import pytest
  import tensorflow
  import hls4ml
label_desc: Use image node_id 3 for calling a global function with example usage: do_nop(model, node, layers) and returns: model,  layers