Created by: heavengate

refine auto download logs refine logs like

2019-09-16 10:03:43,953-INFO: Config dataset_dir dataset/test is not exits, dataset config is not valid
2019-09-16 10:03:43,953-INFO: Dataset /paddle/git/models/PaddleCV/PaddleDetection/dataset/test is not valid for reason above, try searching /root/.cache/paddle/dataset or downloading dataset...
Traceback (most recent call last):
  File "tools/train.py", line 285, in <module>
    main()
  File "tools/train.py", line 165, in main
    FLAGS.dataset_dir)
  File "/paddle/git/models/PaddleCV/PaddleDetection/ppdet/data/data_feed.py", line 91, in create_reader
    data_config = _prepare_data_config(feed, args_path)
  File "/paddle/git/models/PaddleCV/PaddleDetection/ppdet/data/data_feed.py", line 52, in _prepare_data_config
    dataset_dir = get_dataset_path(dataset_home, annotation, image_dir)
  File "/paddle/git/models/PaddleCV/PaddleDetection/ppdet/utils/download.py", line 130, in get_dataset_path
    "'voc' and 'coco' currently".format(path, osp.split(path)[-1]))
ValueError: Dataset dataset/test is not valid and cannot parse dataset type 'test' for automaticly downloading, which only supports 'voc' and 'coco' currently