code: def testPythonImplementation(
      self, input_lists, expected_elements, cycle_length, block_length
  ):
      for index, (expected, produced) in enumerate(
          itertools.zip_longest(
              expected_elements,
              self._interleave(input_lists, cycle_length, block_length),
          )
      ):
          self.assertEqual(
              expected,
              produced,
              "Values differ at %s. %s != %s"
              % (index, expected, produced),
          )
  
imports: import itertools
  import math
  import threading
  import time
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.ops import interleave_ops
  from tensorflow.python.data.experimental.ops import testing
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import options
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import script_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the ParallelInterleaveTest obj's underlying member method code with example usage: obj.testPythonImplementation(input_lists, expected_elements, cycle_length, block_length) without return types