code: def test_show_results(camvid_ds, backbone, monkeypatch):
      monkeypatch.setattr(plt, "show", lambda: None)
      _, valid_ds = camvid_ds
      model = models.fastai.unet.model(
          num_classes=32,
          img_size=64,
          backbone=backbone(pretrained=True),
      )
      models.fastai.unet.show_results(model, valid_ds)
  
imports: import pytest
  from icevision.all import *
  from icevision.models.fastai.unet.backbones import *
  from icevision.models.interpretation import get_samples_losses
label_desc: Use image node_id 1 for calling a global function with example usage: test_show_results(camvid_ds, backbone, monkeypatch) without return types