message: Fix a typo in GetDatasetFromVariantTensor().
diff: @@ -205,7 +205,7 @@ bool GraphDefBuilderWrapper::HasAttr(const string& name,
  Status GetDatasetFromVariantTensor(const Tensor& tensor,
  DatasetBase** out_dataset) {
  - if (!(tensor.dtype() == DT_VARIANT ||
  + if (!(tensor.dtype() == DT_VARIANT &&
  TensorShapeUtils::IsScalar(tensor.shape()))) {
  return errors::InvalidArgument(
  "Dataset tensor must be a scalar of dtype DT_VARIANT.");
  