code: def setUp(self):
      if self.nobias:
          self.param_names = ("W",)
      else:
          self.param_names = ("W", "b")
      self.check_backward_options.update({"atol": 1e-4, "rtol": 1e-3})
  
imports: import numpy
  import chainer
  from chainer.backends import cuda
  import chainer.functions
  from chainer import links
  from chainer import testing
  from chainer.testing import parameterize
label_desc: Use image node_id 1 for calling the TestDeconvolution2DParameterShapePlaceholder obj's underlying member method code with example usage: obj.setUp() without return types