src/transformers/models/informer/modeling_informer.py/InformerConvLayer/forward
class InformerConvLayer:    def forward(self, x):
        x = self.downConv(x.permute(0, 2, 1))
        x = self.norm(x)
        x = self.activation(x)
        x = self.maxPool(x)
        x = x.transpose(1, 2)
        return x