Created by: SPRCSY

完整错误信息如下，复制自ａｉｓｔｕｄｉｏ

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NotImplementedError                       Traceback (most recent call last)　work/PaddleDetection/ppdet/data/transform/transformer.py in _proxy_method(self, func, *args, **kwargs)
     43         try:
---> 44             return func(*args, **kwargs)
     45         except NotImplementedError:　work/PaddleDetection/ppdet/data/dataset.py in　reset(self)
     47         raise NotImplementedError('%s.reset not available' %
---> 48                                   (self.__class__.__name__))
     49 
NotImplementedError: MappedDataset.reset not available
During handling of the above exception, another exception occurred:
NotImplementedError　　　　　Traceback (most recent call last)　work/PaddleDetection/ppdet/data/transform/transformer.py in _proxy_method(self, func, *args, **kwargs)
     43         try:
---> 44             return func(*args, **kwargs)
     45         except NotImplementedError:
　work/PaddleDetection/ppdet/data/dataset.py in reset(self)
     47         raise NotImplementedError('%s.reset not available' %
---> 48                                   (self.__class__.__name__))
     49 
NotImplementedError: BatchedDataset.reset not available
During handling of the above exception, another exception occurred:
TypeError                                 Traceback (most recent call last)~/work/PaddleDetection/tools/train.py in <module>
    338         help='Tensorboard logging directory for scalar.')
    339     FLAGS = parser.parse_args()
--> 340     main()
　work/PaddleDetection/tools/train.py in main()
    150         eval_prog = eval_prog.clone(True)
    151 
--> 152         eval_reader = create_reader(eval_feed, args_path=FLAGS.dataset_dir)
    153         eval_loader.set_sample_list_generator(eval_reader, place)
    154 
~/work/PaddleDetection/ppdet/data/data_feed.py in create_reader(feed, max_iter, args_path, my_source)
    147 
    148     return Reader.create(feed.mode, data_config, transform_config, max_iter,
--> 149                          my_source)
    150 
    151 
~/work/PaddleDetection/ppdet/data/reader.py in create(cls, mode, data_config, transform_config, max_iter, my_source, ret_iter)
    138         reader = Reader({mode: data_config}, {mode: transform_config}, max_iter)
    139         if ret_iter:
--> 140             return reader._make_reader(mode, my_source)
    141         else:
    142             return reader
~/work/PaddleDetection/ppdet/data/reader.py in _make_reader(self, mode, my_source)
     89         batched_ds = batch_map(batched_ds, bm_config)
     90 
---> 91         batched_ds.reset()
     92         if mode.lower() == 'train':
     93             if self._cname2cid is not None:
　work/PaddleDetection/ppdet/data/transform/transformer.py in _proxy_method(self, func, *args, **kwargs)
     45         except NotImplementedError:
     46             ds_func = getattr(self._ds, method)
---> 47             return ds_func(*args, **kwargs)
     48 
     49 
　work/PaddleDetection/ppdet/data/transform/transformer.py in _proxy_method(self, func, *args, **kwargs)
     45         except NotImplementedError:
     46             ds_func = getattr(self._ds, method)
---> 47             return ds_func(*args, **kwargs)
     48 
     49 
　work/PaddleDetection/ppdet/data/transform/transformer.py in _proxy_method(self, func, *args, **kwargs)
     42         method = func.__name__
     43         try:
---> 44             return func(*args, **kwargs)
     45         except NotImplementedError:
     46             ds_func = getattr(self._ds, method)
　work/PaddleDetection/ppdet/data/transform/parallel_map.py in reset(self)
    215             + " cannot start another epoch"
    216 
--> 217         self._source.reset()
    218         self._consumed = 0
    219         self._feeding_ev.set()
　work/PaddleDetection/ppdet/data/source/roidb_source.py in reset(self)
    129         """
    130         if self._roidb is None:
--> 131             self._roidb = self._load()
    132 
    133         self._samples = len(self._roidb)
　work/PaddleDetection/ppdet/data/source/roidb_source.py in _load(self)
    116         records, cname2cid = loader.load(self._fname, self._samples,
    117                                          self._with_background, True,
--> 118                                          self.use_default_label, self.cname2cid)
    119         self.cname2cid = cname2cid
    120         return records
　work/PaddleDetection/ppdet/data/source/loader.py in load(fname, samples, with_background, with_cat2id, use_default_label, cname2cid)
    120     elif fname.endswith('.json'):
    121         from . import coco_loader
--> 122         records, cname2cid = coco_loader.load(fname, samples, with_background)
    123     elif "wider_face" in fname:
    124         from . import widerface_loader
　work/PaddleDetection/ppdet/data/source/coco_loader.py in load(anno_path, sample_num, with_background)
     62     cname2cid = dict({
     63         coco.loadCats(catid)[0]['name']: clsid
---> 64         for catid, clsid in catid2clsid.items()
     65     })
     66 
　work/PaddleDetection/ppdet/data/source/coco_loader.py in <dictcomp>(.0)
     62     cname2cid = dict({
     63         coco.loadCats(catid)[0]['name']: clsid
---> 64         for catid, clsid in catid2clsid.items()
     65     })
     66 
TypeError: 'NoneType' object is not subscriptable