code: def forward(self, x, apply_fc=False):
      h = self.net(x).mean(dim=[2, 3])
      return [h]
  
imports: import logging
  from enum import Enum
  import torch
  import torch.nn
  import torch.nn.functional
  from vissl.config import AttrDict
  from vissl.models.trunks import register_model_trunk
label_desc: Use image node_id 2 for calling the ResNetSelectiveKernel obj's underlying member method code with example usage: obj.forward(x, apply_fc) and returns: list