code: def setUp(self):
      self.inputs = tuple(
          [numpy.zeros(shape, numpy.float32) for shape in self.shapes]
      )
  
imports: import unittest
  import numpy
  import chainer
  from chainer.backends import cuda
  from chainer.functions.math import einsum
  from chainer import gradient_check
  from chainer import testing
  from chainer.testing import attr
  from chainer import utils
label_desc: Use image node_id 1 for calling the TestEinSumUndefinedSemantics obj's underlying member method code with example usage: obj.setUp() without return types