code: def testEmptyParts(self):
      data_list = [1, 2, 3, 4]
      indices_list = [1, 3, 1, 3]
      with self.session():
          data = constant_op.constant(data_list, dtype=dtypes.float32)
          indices = constant_op.constant(
              indices_list, dtype=dtypes.int32
          )
          partitions = data_flow_ops.dynamic_partition(
              data, indices, num_partitions=4
          )
          partition_vals = self.evaluate(partitions)
  
      self.assertEqual(4, len(partition_vals))
      self.assertAllEqual([], partition_vals[0])
      self.assertAllEqual([1, 3], partition_vals[1])
      self.assertAllEqual([], partition_vals[2])
      self.assertAllEqual([2, 4], partition_vals[3])
  
imports: import unittest
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import config
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  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 data_flow_ops
  from tensorflow.python.ops import gradients_impl
  import tensorflow.python.ops.data_flow_grad
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the DynamicPartitionTest obj's underlying member method code with example usage: obj.testEmptyParts() without return types