code: def _SparseTensor_3x3_v2(self):
      # [           1]
      # [-1.9        ]
      # [   3    -4.2]
      ind = np.array([[0, 1], [1, 0], [2, 0], [2, 1]])
      val = np.array([1, -1.9, 3, -4.2])
      shape = np.array([3, 3])
      return sparse_tensor.SparseTensor(
          constant_op.constant(ind, dtypes.int64),
          constant_op.constant(val, dtypes.float32),
          constant_op.constant(shape, dtypes.int64),
      )
  
imports: import timeit
  import numpy
  from tensorflow.python.client import session
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import gradient_checker
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import sparse_ops
  import tensorflow.python.ops.sparse_grad
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the SparseAddTest obj's underlying member method code with example usage: obj._SparseTensor_3x3_v2() and returns: sparse_tensor