Traceback (most recent call last):


 "tools/train.py", line 166, in <module>

main()


 "tools/train.py", line 162, in main

meta=meta)


 "/opt/conda/lib/python3.7/site-packages/mmdet/apis/train.py", line 150, in train_detector

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


 "/opt/conda/lib/python3.7/site-packages/mmcv/runner/epoch_based_runner.py", line 125, in run

epoch_runner(data_loaders[i], **kwargs)


 "/opt/conda/lib/python3.7/site-packages/mmcv/runner/epoch_based_runner.py", line 47, in train

for i, data_batch in enumerate(self.data_loader):


 "/opt/conda/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 363, in __next__

data = self._next_data()


 "/opt/conda/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 989, in _next_data

return self._process_data(data)


 "/opt/conda/lib/python3.7/site-packages/torch/utils/data/dataloader.py", line 1014, in _process_data

data.reraise()


 "/opt/conda/lib/python3.7/site-packages/torch/_utils.py", line 395, in reraise

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

Traceback (most recent call last):

 ".\run_ruby_test.py", line 153, in append_data

 ".\encodings\utf_8.py", line 16, in decodeUnicodeDecodeError: 'utf8' codec can't decode byte 0x8d in position 0: unexpected code byte