fix paddle.summary's bug when outputs contains non-tensor #34160
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HydrogenSulfate
changed the title
LielinJiang
approved these changes
Jul 29, 2021
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PR types
Bug fixes
PR changes
APIs
Describe
该问题是复现TimeSformer模型时遇到的，当网络中的某些层的输出含有非tensor的元素时，使用paddle.summary会报错，因为递归逻辑中遇到单个元素时直接调用其.shape()方法，而这个元素可能并不是tensor，导致无法获取到output中非tensor的shape并且报错，见图1。
修复后在递归逻辑中加入了调用shape方法前的判断，如果不是tensor，则它的形状用
[]代替，见图2。torchsummary目前也存在这个问题，见图3。
以下是修改前，修改后，以及torchsummary的例子
