message: Addjust set.
diff: # See the License for the specific language governing permissions and
  # limitations under the License.
  # pylint: disable=doc-string-missing
  +import os
  +
  from .chinese_bert_reader import ChineseBertReader
  -from .image_reader import ImageReader, File2Image, URL2Image, Sequential, Normalize, Base64ToImage
  -from .image_reader import CenterCrop, Resize, Transpose, Div, RGB2BGR, BGR2RGB, ResizeByFactor
  from .image_reader import RCNNPostprocess, SegPostprocess, PadStride, BlazeFacePostprocess
  from .image_reader import DBPostProcess, FilterBoxes, GetRotateCropImage, SortedBoxes
  from .lac_reader import LACReader
  from .senta_reader import SentaReader
  from .imdb_reader import IMDBDataset
  from .ocr_reader import OCRReader
  +
  +if os.path.exists('libgpupreprocess.so'):
  from libgpupreprocess import Image2Gpubuffer, Gpubuffer2Image, RGB2BGR, BGR2RGB
  from libgpupreprocess import Div, Sub, Normalize, CenterCrop, Resize, ResizeByFactor
  +else:
  + from .image_reader import ImageReader, File2Image, URL2Image
  + from .image_reader import Sequential, Normalize, Base64ToImage
  + from .image_reader import CenterCrop, Resize, Transpose, Div
  + from .image_reader import RGB2BGR, BGR2RGB, ResizeByFactor
  