code: def test_bad_argument():
      with pytest.raises(ValueError):
          s = MultivariateKernelDensitySampler(sigma="foo")
  
file_path: eli5/tests/test_samplers.py
imports: from functools import partial
  import numpy
  import pytest
  from hypothesis import given
  from hypothesis.strategies import integers, text
  from eli5.lime.samplers import MaskingTextSampler, MaskingTextSamplers, UnivariateKernelDensitySampler, MultivariateKernelDensitySampler
  from sklearn.neighbors import KernelDensity
label_desc: Use image node_id 9 for calling a global function with example usage: test_bad_argument() without return types