code: def _attention(self, x):
      out = self.pooling(x)
      out = self.squeeze(out)
      out = self.activation(out)
      out = self.expand(out)
      out = self.sigmoid(out)
      return out
  
imports: import copy
  from collections import OrderedDict
  from dataclasses import dataclass
  from typing import Optional
  import torch
  import warnings
  from torch import nn
  import torch.nn.functional
label_desc: Use image node_id 3 for calling the SqueezeAndExcitationTRT obj's underlying member method code with example usage: obj._attention(x) and returns: out