code: def testTop3ZeroRows(self):
      inputs = np.zeros([0, 10], dtype=np.float32)
      self._validateTopK(
          inputs,
          3,
          np.zeros([0, 3], dtype=np.float32),
          np.zeros([0, 3], dtype=np.int32),
      )
  
imports: import itertools
  import sys
  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
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import nn_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import resource_variable_ops
  import tensorflow.python.ops.nn_grad
  from tensorflow.python.platform import test
label_desc: Use image node_id 19 for calling the TopKTest obj's underlying member method code with example usage: obj.testTop3ZeroRows() without return types