code: def simple_dtype_instances():
      for dtype_class in simple_dtypes:
          dt = dtype_class()
          yield pytest.param(dt, id=str(dt))
          if dt.byteorder != "|":
              dt = dt.newbyteorder()
              yield pytest.param(dt, id=str(dt))
  
imports: import pytest
  import textwrap
  import enum
  import random
  import ctypes
  import numpy
  from numpy.lib.stride_tricks import as_strided
  from numpy.testing import assert_array_equal
  from numpy._core._multiarray_umath import _get_castingimpl
label_desc: Use image node_id 1 for calling a global function with example usage: simple_dtype_instances() without return types