code: def test_no_update():
      cm = MultiLabelConfusionMatrix(10)
      with pytest.raises(
          NotComputableError,
          match=r"Confusion matrix must have at least one example before it can be computed",
      ):
          cm.compute()
  
file_path: ignite/tests/ignite/metrics/test_multilabel_confusion_matrix.py
imports: import numpy
  import pytest
  import torch
  from sklearn.metrics import multilabel_confusion_matrix
  import ignite.distributed
  from ignite.exceptions import NotComputableError
  from ignite.metrics.multilabel_confusion_matrix import MultiLabelConfusionMatrix
label_desc: Use image node_id 1 for calling a global function with example usage: test_no_update() without return types