old_contents: from chainercv.datasets.camvid.camvid_dataset import camvid_ignore_label_color  # NOQA
  from chainercv.datasets.camvid.camvid_dataset import camvid_label_colors  # NOQA
  from chainercv.datasets.camvid.camvid_dataset import camvid_label_names  # NOQA
  from chainercv.datasets.camvid.camvid_dataset import CamVidDataset  # NOQA
  from chainercv.datasets.cityscapes.cityscapes_semantic_segmentation_dataset import CityscapesSemanticSegmentationDataset  # NOQA
  from chainercv.datasets.cityscapes.cityscapes_utils import cityscapes_semantic_segmentation_label_colors  # NOQA
  from chainercv.datasets.cityscapes.cityscapes_utils import cityscapes_semantic_segmentation_label_names  # NOQA
  from chainercv.datasets.cub.cub_keypoint_dataset import CUBKeypointDataset  # NOQA
  from chainercv.datasets.cub.cub_label_dataset import CUBLabelDataset  # NOQA
  from chainercv.datasets.cub.cub_utils import cub_label_names  # NOQA
  from chainercv.datasets.directory_parsing_label_dataset import directory_parsing_label_names  # NOQA
  from chainercv.datasets.directory_parsing_label_dataset import DirectoryParsingLabelDataset  # NOQA
  from chainercv.datasets.online_products.online_products_dataset import OnlineProductsDataset  # NOQA
  from chainercv.datasets.transform_dataset import TransformDataset  # NOQA
  from chainercv.datasets.voc.voc_detection_dataset import VOCDetectionDataset  # NOQA
  from chainercv.datasets.voc.voc_semantic_segmentation_dataset import VOCSemanticSegmentationDataset  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_detection_label_names  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_semantic_segmentation_ignore_label_color  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_semantic_segmentation_label_colors  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_semantic_segmentation_label_names  # NOQA
  
new_contents: from chainercv.datasets.camvid.camvid_dataset import camvid_ignore_label_color  # NOQA
  from chainercv.datasets.camvid.camvid_dataset import camvid_label_colors  # NOQA
  from chainercv.datasets.camvid.camvid_dataset import camvid_label_names  # NOQA
  from chainercv.datasets.camvid.camvid_dataset import CamVidDataset  # NOQA
  from chainercv.datasets.cityscapes.cityscapes_semantic_segmentation_dataset import CityscapesSemanticSegmentationDataset  # NOQA
  from chainercv.datasets.cityscapes.cityscapes_test_image_dataset import CityscapesTestImageDataset  # NOQA
  from chainercv.datasets.cityscapes.cityscapes_utils import cityscapes_semantic_segmentation_label_colors  # NOQA
  from chainercv.datasets.cityscapes.cityscapes_utils import cityscapes_semantic_segmentation_label_names  # NOQA
  from chainercv.datasets.cub.cub_keypoint_dataset import CUBKeypointDataset  # NOQA
  from chainercv.datasets.cub.cub_label_dataset import CUBLabelDataset  # NOQA
  from chainercv.datasets.cub.cub_utils import cub_label_names  # NOQA
  from chainercv.datasets.directory_parsing_label_dataset import directory_parsing_label_names  # NOQA
  from chainercv.datasets.directory_parsing_label_dataset import DirectoryParsingLabelDataset  # NOQA
  from chainercv.datasets.online_products.online_products_dataset import OnlineProductsDataset  # NOQA
  from chainercv.datasets.transform_dataset import TransformDataset  # NOQA
  from chainercv.datasets.voc.voc_detection_dataset import VOCDetectionDataset  # NOQA
  from chainercv.datasets.voc.voc_semantic_segmentation_dataset import VOCSemanticSegmentationDataset  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_detection_label_names  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_semantic_segmentation_ignore_label_color  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_semantic_segmentation_label_colors  # NOQA
  from chainercv.datasets.voc.voc_utils import voc_semantic_segmentation_label_names  # NOQA
  
subject: fix import