Traceback (most recent call last):


 "/kaggle/working/mmdetection/tools/train.py", line 142, in <module>

main()


 "/kaggle/working/mmdetection/tools/train.py", line 138, in main

meta=meta)


 "/kaggle/working/mmdetection/mmdet/apis/train.py", line 111, in train_detector

meta=meta)


 "/kaggle/working/mmdetection/mmdet/apis/train.py", line 242, in _non_dist_train

runner.run(data_loaders, cfg.workflow, cfg.total_epochs)


 "/opt/conda/lib/python3.7/site-packages/mmcv/runner/runner.py", line 383, in run

epoch_runner(data_loaders[i], **kwargs)


 "/opt/conda/lib/python3.7/site-packages/mmcv/runner/runner.py", line 278, in train

for i, data_batch in enumerate(data_loader):


 "/opt/conda/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 345, in __next__

data = self._next_data()


 "/opt/conda/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 856, in _next_data

return self._process_data(data)


 "/opt/conda/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 881, in _process_data

data.reraise()


 "/opt/conda/lib/python3.7/site-packages/torch/_utils.py", line 394, in reraise

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

Traceback (most recent call last):


 "./debugging.py", line 8, in <module>

print x[i, :]


 "/usr/lib64/python2.7/site-packages/pandas/core/frame.py", line 2057, in __getitem__

return self._getitem_column(key)


 "/usr/lib64/python2.7/site-packages/pandas/core/frame.py", line 2064, in _getitem_column

return self._get_item_cache(key)


 "/usr/lib64/python2.7/site-packages/pandas/core/generic.py", line 1384, in _get_item_cache

res = cache.get(item)
TypeError: unhashable type
