code: def test_iris_invalid_choice():
      with pytest.raises(ValueError) as excinfo:
          iris_data(version="bla")
          assert (
              excinfo.value.message
              == "version must be 'uci' or 'corrected'."
          )
  
file_path: mlxtend/mlxtend/data/tests/test_iris.py
imports: import os
  import re
  import numpy
  import pytest
  from numpy.testing import assert_array_equal
  from mlxtend.data import iris_data
label_desc: Use image node_id 3 for calling a global function with example usage: test_iris_invalid_choice() without return types