code: def test_sparse_dense_divide(A):
      with pytest.warns(RuntimeWarning):
          assert isinstance((A / A.todense()), scipy.sparse.sparray)
  
imports: import pytest
  import numpy
  import numpy.testing
  import scipy.sparse
  import scipy.sparse.linalg
  from scipy._lib._util import VisibleDeprecationWarning
label_desc: Use image node_id 13 for calling a global function with example usage: test_sparse_dense_divide(A) without return types