StopIteration: 'PngImageFile' object is not subscriptable

StopIteration: 'PngImageFile' object is not subscriptable

我的环境是ubuntu 16.04, keras 2.1.5,然后在运行vgg代码的时候，出现了如下的错误：

Traceback (most recent call last): File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/utils/data_utils.py", line 578, in get inputs = self.queue.get(block=True).get() File "/home/eric/anaconda3/lib/python3.6/multiprocessing/pool.py", line 644, in get raise self._value File "/home/eric/anaconda3/lib/python3.6/multiprocessing/pool.py", line 119, in worker result = (True, func(*args, **kwds)) File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/utils/data_utils.py", line 401, in get_index return _SHARED_SEQUENCES[uid][i] File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/preprocessing/image.py", line 825, in __getitem__ return self._get_batches_of_transformed_samples(index_array) File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/preprocessing/image.py", line 1233, in _get_batches_of_transformed_samples img = self.image_data_generator.preprocessing_function(img) File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/applications/imagenet_utils.py", line 178, in preprocess_input mode=mode) File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/applications/imagenet_utils.py", line 132, in _preprocess_symbolic_input x = x[..., ::-1]TypeError: 'PngImageFile' object is not subscriptableThe above exception was the direct cause of the following exception:Traceback (most recent call last): File "vgg16_finetune.py", line 340, in callbacks=[tbCallBack,csvlog,checkpointer]) File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/legacy/interfaces.py", line 91, in wrapper return func(*args, **kwargs) File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/engine/training.py", line 2192, in fit_generator generator_output = next(output_generator) File "/home/eric/anaconda3/lib/python3.6/site-packages/keras/utils/data_utils.py", line 584, in get six.raise_from(StopIteration(e), e) File "", line 3, in raise_fromStopIteration: 'PngImageFile' object is not subscriptabl

解决方法

查资料发现这是keras 2.1.5的bug,我的做法是回滚：

pip install keras==2.1.4

参考文献

[1].新版Keras版本2.1.5不兼容.​​https://zhuanlan.zhihu.com/p/35146669​​

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