code: def generate_inputs(self):
      x1 = numpy.random.uniform(-1, 1, self.in_shape).astype(self.dtype)
      x2 = numpy.random.uniform(-1, 1, self.in_shape).astype(self.dtype)
      return x1, x2
  
file_path: chainer/tests/chainer_tests/functions_tests/loss_tests/test_squared_error.py
imports: import numpy
  from chainer import functions
  from chainer import testing
label_desc: Use image node_id 2 for calling the TestSquaredError obj's underlying member method code with example usage: obj.generate_inputs() and returns: x1,  x2