code: def STDC1(**kwargs):
      model = STDCNet(base=64, layers=[2, 2, 2], **kwargs)
      return model
  
imports: import math
  import paddle
  import paddle.nn
  from paddleseg.utils import utils
  from paddleseg.cvlibs import manager, param_init
  from paddleseg.models.layers.layer_libs import SyncBatchNorm
label_desc: Use image node_id 2 for calling a global function with example usage: STDC1() and returns: model