code: def fake_diffusion(steps):
      for i in range(steps):
          time.sleep(1)
          image = np.random.random((600, 600, 3))
          yield image
      image = np.ones((1000, 1000, 3), np.uint8)
      image[:] = [255, 124, 0]
      yield image
  
label_desc: Use image node_id 1 for calling a global function with example usage: fake_diffusion(steps) without return types