Traceback (most recent call last):

 "E:\Projects\repos\pylint\pylint\test\test_functional.py", line 308, in _runTest
self.fail('\n'.join(msg))AssertionError: Wrong results for file "string_formatting_py27":
Traceback (most recent call last):
| 0/1856 [00:00<?, ?it/s]


 "train.py", line 198, in <module>

main()


 "train.py", line 170, in main

merge_all_iters_to_one_epoch=args.merge_all_iters_to_one_epoch


 "/home/fupeng/fupeng/algorithm/detection3d/OpenPCDet/tools/train_utils/train_utils.py", line 93, in train_model

dataloader_iter=dataloader_iter


 "/home/fupeng/fupeng/algorithm/detection3d/OpenPCDet/tools/train_utils/train_utils.py", line 19, in train_one_epoch

batch = next(dataloader_iter)


 "/home/fupeng/anaconda3/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 819, in __next__

return self._process_data(data)


 "/home/fupeng/anaconda3/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 846, in _process_data

data.reraise()


 "/home/fupeng/anaconda3/lib/python3.7/site-packages/torch/_utils.py", line 369, in reraise

raise self.exc_type(msg)
KeyError: Caught KeyError in DataLoader worker process 0.
