code: def test_crf_dev_bad_arguments(xseq, yseq):
      crf = CRF()
      X = [xseq] * 20
      y = [yseq] * 20
      with pytest.raises(ValueError):
          crf.fit(X, y, X)
  
file_path: sklearn-crfsuite/tests/test_crf.py
imports: import os
  import pickle
  import pytest
  from sklearn.model_selection import cross_val_score
  from sklearn_crfsuite import CRF
label_desc: Use image node_id 9 for calling a global function with example usage: test_crf_dev_bad_arguments(xseq, yseq) without return types