message: Fixed bug in tf.strings.unicode_decode where rank > ragged_rank + 1.
diff: @@ -411,7 +411,7 @@ def _unicode_decode(input, input_encoding, errors, replacement_char,
  input = input.with_flat_values(
  ragged_tensor.RaggedTensor.from_tensor(
  input.flat_values,
  - ragged_rank=input_ndims - input.ragged_rank + 1))
  + ragged_rank=input_ndims - input.ragged_rank - 1))
  # Reshape the input to a flat vector, and apply the gen_string_ops op.
  if ragged_tensor.is_ragged(input):
  