code: def setUp(self):
      self.N = 2
      self.c = 3
      ndim = len(self.outsize)
      self.ksize = (self._ksize,) * ndim
      self.stride = (self._stride,) * ndim
      self.pad = (self._pad,) * ndim
  
imports: import itertools
  import unittest
  import numpy
  import six
  import chainer
  from chainer import backend
  from chainer import functions
  from chainer import testing
  from chainer.utils import conv
  from chainer.utils import type_check
label_desc: Use image node_id 1 for calling the TestUnpoolingNDOutsize obj's underlying member method code with example usage: obj.setUp() without return types