code: def test_wikipedia_counterexample():
      # The Levinson-Durbin implementation also fails in other cases.
      # This example is from the talk page of the wikipedia article.
      random = np.random.RandomState(1234)
      c = [2, 2, 1]
      y = random.randn(3)
      assert_raises(np.linalg.LinAlgError, solve_toeplitz, c, b=y)
  
file_path: catboost/contrib/python/scipy/py3/scipy/linalg/tests/test_solve_toeplitz.py
imports: import numpy
  from scipy.linalg._solve_toeplitz import levinson
  from scipy.linalg import solve, toeplitz, solve_toeplitz
  from numpy.testing import assert_equal, assert_allclose
  import pytest
  from pytest import raises
label_desc: Use image node_id 5 for calling a global function with example usage: test_wikipedia_counterexample() without return types