测试代码变动，及格式化变更

pansen

2019-03-04 f2a3422c62a1176b50038e0e7bd81f05227834b7

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aeroplane
bicycle
bird
boat
bottle
bus
car
cat
chair
cow
diningtable
dog
horse
motorbike
person
pottedplant
sheep
sofa
train
tvmonitor