code: def test_astype_copy_false(self):
      # GH#34456 bug caused by using .view instead of .astype in astype_nansafe
      arr = SparseArray([1, 2, 3])
  
      dtype = SparseDtype(float, 0)
  
      result = arr.astype(dtype, copy=False)
      expected = SparseArray([1.0, 2.0, 3.0], fill_value=0.0)
      tm.assert_sp_array_equal(result, expected)
  
file_path: pandas/pandas/tests/arrays/sparse/test_astype.py
imports: import numpy
  import pytest
  from pandas._libs.sparse import IntIndex
  from pandas import SparseDtype, Timestamp
  import pandas._testing
  from pandas.core.arrays.sparse import SparseArray
label_desc: Use image node_id 6 for calling the TestAstype obj's underlying member method code with example usage: obj.test_astype_copy_false() without return types