trian CUB-200-2011 error

[successhaha]

hi,can you help me? Thank you very much.
Traceback (most recent call last):
File "main.py", line 580, in
main()
File "main.py", line 571, in main
trainer.train()
File "main.py", line 84, in train
for iteration, batch in enumerate(self.data_loader'train'):
File "/home/wuchenxi/Desktop/DPGN-master/venv/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 582, in next
return self._process_next_batch(batch)
File "/home/wuchenxi/Desktop/DPGN-master/venv/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 608, in _process_next_batch
raise batch.exc_type(batch.exc_msg)
ValueError: Traceback (most recent call last):
File "/home/wuchenxi/Desktop/DPGN-master/venv/lib/python3.7/site-packages/torch/utils/data/_utils/worker.py", line 99, in _worker_loop
samples = collate_fn([dataset[i] for i in batch_indices])
File "/home/wuchenxi/Desktop/DPGN-master/venv/lib/python3.7/site-packages/torch/utils/data/_utils/worker.py", line 99, in
samples = collate_fn([dataset[i] for i in batch_indices])
File "/home/wuchenxi/Desktop/DPGN-master/venv/lib/python3.7/site-packages/torchnet/dataset/listdataset.py", line 54, in getitem
return self.load(self.list[idx])
File "/home/wuchenxi/Desktop/DPGN-master/dataloader.py", line 285, in load_function
support_data, support_label, query_data, query_label = self.get_task_batch()
File "/home/wuchenxi/Desktop/DPGN-master/dataloader.py", line 259, in get_task_batch
task_class_list = random.sample(self.full_class_list, self.num_ways)
File "/usr/local/python3.7.5/lib/python3.7/random.py", line 321, in sample
raise ValueError("Sample larger than population or is negative")
ValueError: Sample larger than population or is negative

[AlienceGG]

hi, successhaha
The log says "ValueError: Sample larger than population or is negative". Please check the value of self.full_class_list and self.num_ways in the task_class_list = random.sample(self.full_class_list, self.num_ways) .