code: def testDynamicDecodeRNNWithTrainingHelperMatchesDynamicRNNWithSeqLen(
      self,
  ):
      self._testDynamicDecodeRNNWithTrainingHelperMatchesDynamicRNN(
          use_sequence_length=True
      )
  
imports: from magenta.contrib import seq2seq
  import numpy
  import tensorflow.compat.v1
label_desc: Use image node_id 7 for calling the DynamicDecodeRNNTest obj's underlying member method code with example usage: obj.testDynamicDecodeRNNWithTrainingHelperMatchesDynamicRNNWithSeqLen() without return types