Traceback (most recent call last):


 "/usr/local/lib/python3.5/dist-packages/gym/envs/registration.py", line 106, in spec

return self.env_specs[id]
KeyError: 'flashgames.DuskDrive-v0'

Original Traceback (most recent call last):


 "/home/hkuit164/anaconda3/envs/open-mmlab/lib/python3.7/site-packages/torch/utils/data/_utils/worker.py", line 185, in _worker_loop

data = fetcher.fetch(index)


 "/home/hkuit164/anaconda3/envs/open-mmlab/lib/python3.7/site-packages/torch/utils/data/_utils/fetch.py", line 44, in fetch

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


 "/home/hkuit164/anaconda3/envs/open-mmlab/lib/python3.7/site-packages/torch/utils/data/_utils/fetch.py", line 44, in <listcomp>

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


 "/media/hkuit164/TOSHIBA/mmclassification/mmcls/datasets/base_dataset.py", line 86, in __getitem__

return self.prepare_data(idx)


 "/media/hkuit164/TOSHIBA/mmclassification/mmcls/datasets/base_dataset.py", line 80, in prepare_data

return self.pipeline(results)


 "/media/hkuit164/TOSHIBA/mmclassification/mmcls/datasets/pipelines/compose.py", line 32, in __call__

data = t(data)


 "/media/hkuit164/TOSHIBA/mmclassification/mmcls/datasets/pipelines/transforms.py", line 98, in __call__

img = results[key]
KeyError: 'img'
