AttributeError: 'float' object has no attribute 'split'

[xlxxlup]

yolov5) D:\steel-de\Kaggle-Steel-Defect-Detection-master\Kaggle-Steel-Defect-Detection-master>python train_classify.py --model_name=unet_resnet34 --batch_size=48 --lr=0.0005 --epoch=1
Using model: unet_resnet34
0%| | 0/210 [00:55<?, ?it/s]

Traceback (most recent call last):
File "train_classify.py", line 176, in
train_val.train(train_loader, valid_loader)
File "train_classify.py", line 78, in train
for i, (images, labels) in enumerate(tbar):
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\tqdm\std.py", line 1181, in iter
for obj in iterable:
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\torch\utils\data\dataloader.py", line 630, in next
data = self._next_data()
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\torch\utils\data\dataloader.py", line 1345, in _next_data
return self._process_data(data)
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\torch\utils\data\dataloader.py", line 1371, in _process_data
data.reraise()
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\torch_utils.py", line 694, in reraise
raise exception
AttributeError: Caught AttributeError in DataLoader worker process 0.
Original Traceback (most recent call last):
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\torch\utils\data_utils\worker.py", line 308, in _worker_loop
data = fetcher.fetch(index)
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\torch\utils\data_utils\fetch.py", line 51, in fetch
data = [self.dataset[idx] for idx in possibly_batched_index]
File "D:\Anaconda\Anaconda\envs\yolov5\lib\site-packages\torch\utils\data_utils\fetch.py", line 51, in
data = [self.dataset[idx] for idx in possibly_batched_index]
File "D:\steel-de\Kaggle-Steel-Defect-Detection-master\Kaggle-Steel-Defect-Detection-master\datasets\steel_dataset.py", line 68, in getitem
image_id, mask = make_mask(idx, self.df)
File "D:\steel-de\Kaggle-Steel-Defect-Detection-master\Kaggle-Steel-Defect-Detection-master\utils\rle_parse.py", line 26, in make_mask
label = label.split(" ")
AttributeError: 'float' object has no attribute 'split' 请问下这是什么原因

[xlxxlup]

模型下载完之后 就不动了