源自github用户Exception-star:

• 版本、环境信息：
     1）PaddlePaddle版本：1.5.1
     2）CPU/GPU：cpu
     3）系统环境：win10
     4）Python版本号: python3.7
     5）显存信息
• 问题描述：

在mac上也报这样的错误

Traceback (most recent call last):
File "E:/PycharmWorkspace/paddle_pyreader/pyreader.py", line 14, in
for data in train_reader():
File "E:\Anaconda\lib\site-packages\paddle\batch.py", line 35, in batch_reader
for instance in r:
File "E:\Anaconda\lib\site-packages\paddle\dataset\voc2012.py", line 58, in reader
data = tarobject.extractfile(name2mem[data_file]).read()
KeyError: "VOCdevkit/VOC2012/JPEGImages/b'2007_000032'.jpg"