code: def forward(self, inputs, device):
      a, b = inputs
      y = F.tensordot(a, b, axes=self.axes)
      return (y,)
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_tensordot.py
imports: import unittest
  import numpy
  import chainer
  import chainer.functions
  from chainer import testing
label_desc: Use image node_id 4 for calling the TestTensorDot obj's underlying member method code with example usage: obj.forward(inputs, device) and returns: y