code: def _SparseTensor_3x3(self, negate=False):
      return sparse_tensor.SparseTensor.from_value(
          self._SparseTensorValue_3x3(negate)
      )
  
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 3 for calling the SparseAddTest obj's underlying member method code with example usage: obj._SparseTensor_3x3(negate) and returns: sparse_tensor