code: def test_linear_sum_assignment_small_inputs(sign, test_case):
      linear_sum_assignment_assertions(
          linear_sum_assignment, np.array, sign, test_case
      )
  
file_path: catboost/contrib/python/scipy/py3/scipy/optimize/tests/test_linear_assignment.py
imports: from numpy.testing import assert_array_equal
  from pytest import raises
  import pytest
  import numpy
  from scipy.optimize import linear_sum_assignment
  from scipy.sparse import random
  from scipy.sparse.sputils import matrix
  from scipy.sparse.csgraph import min_weight_full_bipartite_matching
  from scipy.sparse.csgraph.tests.test_matching import linear_sum_assignment_assertions, linear_sum_assignment_test_cases
label_desc: Use image node_id 4 for calling a global function with example usage: test_linear_sum_assignment_small_inputs(sign, test_case) without return types