if (tensors.empty()) {
      tensorflow::Tensor tensor(list->element_dtype,
                                tensorflow::TensorShape(result_shape));
      auto attr_or = tensorflow::ConvertTensor(tensor, &rewriter);
      if (!attr_or.ok()) return failure();
      rewriter.replaceOpWithNewOp<TF::ConstOp>(op, attr_or.value());
      return success();
    }