code: def test_show_pred(monkeypatch):
      monkeypatch.setattr(plt, "show", lambda: None)
      img = np.zeros((200, 200, 3))
      pred = {
          "bboxes": [BBox.from_xywh(100, 100, 50, 50)],
          "labels": [1],
      }
      show_pred(img=img, pred=pred)
  
imports: import pytest
  from icevision.all import *
label_desc: Use image node_id 5 for calling a global function with example usage: test_show_pred(monkeypatch) without return types