code: def test_exception():
      assert_raises(MemoryError, _sparsetools.test_throw_error)
  
imports: import sys
  import os
  import gc
  import threading
  import numpy
  from numpy.testing import assert_equal, assert_, assert_allclose
  from scipy.sparse import _sparsetools, coo_matrix, csr_matrix, csc_matrix, bsr_matrix, dia_matrix
  from scipy.sparse.sputils import supported_dtypes, matrix
  from scipy._lib._testutils import check_free_memory
  import pytest
  from pytest import raises
label_desc: Use image node_id 1 for calling a global function with example usage: test_exception() without return types