code: def forward_head(self, x, pre_logits: bool = False):
      return x if pre_logits else self.head(x)
  
imports: from collections import OrderedDict
  from functools import partial
  import torch
  import torch.nn
  from timm.layers import SpaceToDepth, BlurPool2d, ClassifierHead, SEModule, ConvNormActAa, ConvNormAct, DropPath
  from ._builder import build_model_with_cfg
  from ._manipulate import checkpoint_seq
  from ._registry import register_model, generate_default_cfgs, register_model_deprecations
label_desc: Use image node_id 8 for calling the TResNet obj's underlying member method code with example usage: obj.forward_head(x, pre_logits) and returns: unknown