code: def forward(self, x):
      features = [layer(x) for layer in self.layers]
      out = torch.cat(features, 1)
  
      return out
  
imports: from math import floor
  import torch
  import torch.nn.functional
  from torch import nn
  from torchvision import models
label_desc: Use image node_id 2 for calling the _PyramidSpatialPoolingModule obj's underlying member method code with example usage: obj.forward(x) and returns: out