autocyz

@jmt330 That work, thx!

### Solution: setup.py： ` from setuptools import setup, find_packages from torch.utils.cpp_extension import BuildExtension, CppExtension setup( name='cpools', version='0.1', description='corner pooling', author='autocyz', packages=find_packages(), ext_modules=[ CppExtension("club_external.cpools.top_pool", ["club_external/cpools/top_pool.cpp"]), CppExtension("club_external.cpools.bottom_pool",["club_external/cpools/bottom_pool.cpp"]), CppExtension("club_external.cpools.left_pool", ["club_external/cpools/left_pool.cpp"]), CppExtension("club_external.cpools.right_pool", ["club_external/cpools/right_pool.cpp"]) ],...

@QiaoLiuHit what is "兄弟"? Pardon?

Let pytorch=0.2, torchvision=0.1.8, the problem will be solved! I don't kown why, maybe newer pytorch use 'ExpandBackward' to name layer, but older pytorch do not use. And the `layer_dict` in...

@wyfdodogod I think you needn't retrain in torch 2, you should understand the meaning of `ExpandBackward` and add this key to [layer_dict](https://github.com/longcw/pytorch2caffe/blob/master/pytorch2caffe.py#L14) , then you should add some operater in...