class_docstr: Atrous Spatial Pyramid Pooling
class_docstr_tok: ["Atrous","Spatial","Pyramid","Pooling"]
code: def forward(self, x):
      h = 0
      for stage in self.stages.children():
          h += stage(x)
      return h
  
file_path: pywick/pywick/models/segmentation/testnets/deeplabv2.py
imports: from collections import OrderedDict
  import torch
  import torch.nn
  import torch.nn.functional
  from .resnet import _ConvBatchNormReLU, _ResBlock
  from .msc import MSC
label_desc: Use image node_id 2 for calling the _ASPPModule obj's underlying member method code with example usage: obj.forward(x) and returns: h