code: def testCollapseRepeated(self):
      collapsed, new_seq_lengths = ctc_ops.collapse_repeated(
          labels=[[1, 3, 3, 3, 0], [1, 4, 4, 4, 0], [4, 2, 2, 9, 4]],
          seq_length=[4, 5, 5],
      )
      self.assertAllEqual(new_seq_lengths, [2, 3, 4])
      self.assertAllEqual(
          collapsed, [[1, 3, 0, 0], [1, 4, 0, 0], [4, 2, 9, 4]]
      )
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  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 random_seed
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import ctc_ops
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import random_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the CTCLossTestV2 obj's underlying member method code with example usage: obj.testCollapseRepeated() without return types