message: Remove the usage of TF private API gen_cudnn_rnn_ops cudnn_rnnv2 from Keras.
diff: @@ -303,7 +303,7 @@ class CuDNNGRU(_CuDNNRNN):
  'rnn_mode': 'gru',
  }
  - outputs, h, _, _, _ = gen_cudnn_rnn_ops.cudnn_rnnv2(**args)
  + outputs, h, _, _, _ = gen_cudnn_rnn_ops.CudnnRNNV2(**args)
  if self.stateful or self.return_state:
  h = h[0]
  