code: def test_bukin6_bound_fail(x):
      """Test bukin6 bound exception"""
      with pytest.raises(ValueError):
          fx.bukin6(x)
  
file_path: pyswarms/tests/utils/functions/test_singleobj_bounds.py
imports: from collections import namedtuple
  import numpy
  import pytest
  from pyswarms.utils.functions import single_obj
label_desc: Use image node_id 4 for calling a global function with example usage: test_bukin6_bound_fail(x) without return types