class_docstr: This module is used in the original FPN to generate a downsampled
  P6 feature from P5.
class_docstr_tok: ["This","module","is","used","in","the","original","FPN","to","generate","a","downsampled","P6","feature","from","P5","."]
code: def forward(self, x):
      return [F.max_pool2d(x, kernel_size=1, stride=2, padding=0)]
  
imports: import math
  import fvcore.nn.weight_init
  import torch
  import torch.nn.functional
  from torch import nn
  from detectron2.layers import Conv2d, ShapeSpec, get_norm
  from .backbone import Backbone
  from .build import BACKBONE_REGISTRY
  from .resnet import build_resnet_backbone
label_desc: Use image node_id 2 for calling the LastLevelMaxPool obj's underlying member method code with example usage: obj.forward(x) and returns: list