class_docstr: Construct channel-wise SELayer with max pooling.
class_docstr_tok: ["Construct","channel-wise","SELayer","with","max","pooling","."]
code: def forward(self, x):
      b, c, _, _, _ = x.size()
      y = self.max_pool(x).view(b, c)
      y = self.fc(y).view(b, c, 1, 1, 1)
      # out = x * y.expand_as(x)
      y = y - 0.5
      out = x + x * y.expand_as(x)
      return out
  
imports: import torch
  import torch.nn
label_desc: Use image node_id 2 for calling the SELayerMC obj's underlying member method code with example usage: obj.forward(x) and returns: out