code: def test_sfloat_structured_dtype_printing(self):
      dt = np.dtype([("id", int), ("value", SF(0.5))])
      # repr of structured dtypes need special handling because the
      # implementation bypasses the object repr
      assert "('value', '_ScaledFloatTestDType64')" in repr(dt)
  
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 7 for calling the TestSFloat obj's underlying member method code with example usage: obj.test_sfloat_structured_dtype_printing() without return types