code: def test_sfloat_cast_internal_errors(self, aligned):
      a = self._get_array(2e300, aligned)
  
      with pytest.raises(
          TypeError,
          match="error raised inside the core-loop: non-finite factor!",
      ):
          a.astype(SF(2e-300))
  
imports: import sys
  from tempfile import NamedTemporaryFile
  import pytest
  import numpy
  from numpy.testing import assert_array_equal
  from numpy._core._multiarray_umath import _discover_array_parameters, _get_sfloat_dtype
label_desc: Use image node_id 11 for calling the TestSFloat obj's underlying member method code with example usage: obj.test_sfloat_cast_internal_errors(aligned) without return types