code: def test_issue208():
      """Test issue that was caused by trying to flatten nested chains."""
      layer1 = Linear(nO=9, nI=3)
      layer2 = Linear(nO=12, nI=9)
      layer3 = Linear(nO=5, nI=12)
      model = chain(layer1, chain(layer2, layer3)).initialize()
      assert model.get_dim("nO") == 5
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_issue208() without return types