code: def setup_impl(self, inputs, outputs):
      i0 = inputs[0]
      o0 = outputs[0]
      o0.reset_shape(i0.shape, True)
  
imports: import sys
  import pytest
  import numpy
  import nnabla
  import nnabla.functions
  import nnabla.parametric_functions
  import nnabla.initializer
  from nnabla.ext_utils import get_extension_context
  from nbla_test_utils import list_context
  from nnabla.testing import assert_allclose
  from nnabla.function import PythonFunction
  from nnabla.backward_functions import registry, register
label_desc: Use image node_id 5 for calling the IdentityForwardOnlyFunction obj's underlying member method code with example usage: obj.setup_impl(inputs, outputs) without return types