code: def out_shape(self):
      return [
          ShapeSpec(
              channels=self.ch_out,
              stride=16,
          )
      ]
  
file_path: PaddleDetection/ppdet/modeling/backbones/senet.py
imports: import paddle.nn
  from ppdet.core.workspace import register, serializable
  from .resnet import ResNet, Blocks, BasicBlock, BottleNeck
  from ..shape_spec import ShapeSpec
  from .name_adapter import NameAdapter
label_desc: Use image node_id 2 for calling the SERes5Head obj's underlying member method code with example usage: obj.out_shape() and returns: list