code: def test_wrong_type():
      with pytest.raises(TypeError):
          Label(classes=set())
      with pytest.raises(ValueError):
          Label(classes=None)
  
file_path: lightning-flash/tests/core/serve/test_types/test_label.py
imports: import pytest
  import torch
  from flash.core.serve.types import Label
  from flash.core.utilities.imports import _TOPIC_SERVE_AVAILABLE
label_desc: Use image node_id 4 for calling a global function with example usage: test_wrong_type() without return types