

def check_backward(self, x_data, y_grad, use_cudnn=True):
    gradient_check.check_backward(functions.SpatialPyramidPooling2D(self.shape[1:], self.pyramid_height, self.pooling_class, use_cudnn=use_cudnn), x_data, y_grad, atol=0.0001)

dataset/ETHPy150Open pfnet/chainer/tests/chainer_tests/functions_tests/pooling_tests/test_spatial_pyramid_pooling_2d.py TestSpatialPyramidPooling2D.check_backward/VarMisuse@26/43 `x_data`->`self`