J5,BEV_lss，nuscenes数据准备 ，训练求助

数据路径：

数据路径：

 

`aidisdk` dependency is not available.

`aidisdk` dependency is not available.

2025-03-26 16:22:06,591 ERROR [ddp_trainer.py:463] Node[3] Traceback (most recent call last):

File "/usr/local/lib/python3.8/dist-packages/hat/engine/ddp_trainer.py", line 457, in _with_exception

fn(*args)

File "/xyma/horizon_j5/ddk/samples/ai_toolchain/horizon_model_train_sample/scripts/tools/train.py", line 186, in train_entrance

trainer.fit()

File "/usr/local/lib/python3.8/dist-packages/hat/engine/loop_base.py", line 537, in fit

_, batch = next(self.data_loader_pr)

File "/usr/local/lib/python3.8/dist-packages/hat/profiler/profilers.py", line 223, in profile_iterable

value = next(iterator)

File "/usr/local/lib/python3.8/dist-packages/hat/utils/generator.py", line 15, in prefetch_iterator

last = next(it)

File "/usr/local/lib/python3.8/dist-packages/torch/utils/data/dataloader.py", line 628, in __next__

data = self._next_data()

File "/usr/local/lib/python3.8/dist-packages/torch/utils/data/dataloader.py", line 1333, in _next_data

return self._process_data(data)

File "/usr/local/lib/python3.8/dist-packages/torch/utils/data/dataloader.py", line 1359, in _process_data

data.reraise()

File "/usr/local/lib/python3.8/dist-packages/torch/_utils.py", line 543, in reraise

raise exception

TypeError: Caught TypeError in DataLoader worker process 0.

Original Traceback (most recent call last):

File "/usr/local/lib/python3.8/dist-packages/torch/utils/data/_utils/worker.py", line 302, in _worker_loop

data = fetcher.fetch(index)

File "/usr/local/lib/python3.8/dist-packages/torch/utils/data/_utils/fetch.py", line 58, in fetch

data = [self.dataset[idx] for idx in possibly_batched_index]

File "/usr/local/lib/python3.8/dist-packages/torch/utils/data/_utils/fetch.py", line 58, in <listcomp>

data = [self.dataset[idx] for idx in possibly_batched_index]

File "/usr/local/lib/python3.8/dist-packages/hat/data/datasets/nuscenes_dataset.py", line 1587, in __getitem__

data = self.sampler(sample)

File "/usr/local/lib/python3.8/dist-packages/hat/data/datasets/nuscenes_dataset.py", line 1716, in __call__

self._get_map_info(sample)

File "/usr/local/lib/python3.8/dist-packages/hat/data/datasets/nuscenes_dataset.py", line 1685, in _get_map_info

sample["location"],

TypeError: 'NoneType' object is not subscriptable