code: def forward(self, x):
      in_size = x.size()
      return x.view((in_size[0], in_size[1], -1)).mean(dim=2)
  
imports: import torch
  import torch.nn
label_desc: Use image node_id 2 for calling the FastGlobalAvgPool2d obj's underlying member method code with example usage: obj.forward(x) and returns: x