code: def test_shallow():
      model = Shallow(32, num_channels=3)
      _ = model(sample_input)
  
file_path: KD_Lib/tests/test_models.py
imports: import torch
  from KD_Lib.models import LeNet, LSTMNet, ModLeNet, NetworkInNetwork, ResNet18, ResNet34, ResNet50, ResNet101, ResNet152, Shallow
label_desc: Use image node_id 4 for calling a global function with example usage: test_shallow() without return types