code: def test_X_int_y():
      with pytest.raises(ValueError):
          base._check_arrays(X=X, y=y[1])
  
imports: import numpy
  import pytest
  from mlxtend.feature_extraction.base import _BaseFeatureExtractor
label_desc: Use image node_id 4 for calling a global function with example usage: test_X_int_y() without return types