code: def test_norm_vector_badarg(self):
      # Regression for #786: Frobenius norm for vectors raises
      # ValueError.
      assert_raises(
          ValueError, linalg.norm, array([1.0, 2.0, 3.0]), "fro"
      )
  
file_path: catboost/contrib/python/numpy/py3/numpy/linalg/tests/test_regression.py
imports: import warnings
  import numpy
  from numpy import linalg, arange, float64, array, dot, transpose
  from numpy.testing import assert_, assert_raises, assert_equal, assert_array_equal, assert_array_almost_equal, assert_array_less
label_desc: Use image node_id 4 for calling the TestRegression obj's underlying member method code with example usage: obj.test_norm_vector_badarg() without return types