code: def test_bad():
      with pytest.raises(ValueError):
          Docstring(bad)
  
file_path: statsmodels/statsmodels/tools/tests/test_docstring.py
imports: import pytest
  from statsmodels.tools.docstring import Docstring, remove_parameters, Parameter
label_desc: Use image node_id 6 for calling a global function with example usage: test_bad() without return types