def METHOD_NAME(_):
  x = array_ops.placeholder(dtypes.int32, name='x_hold')
  y = array_ops.placeholder(dtypes.int32, name='y_hold')
  control_flow_ops.Assert(
      math_ops.equal(x, y), ['Expected x == y.'], name='assert_eq')
  math_ops.add(x, math_ops.negative(y), name='x_y_diff')