code: def ResNet50(**kwargs):
      model = ResNet(BottleneckBlock, 50, **kwargs)
      return model
  
imports: import os
  from urllib.parse import urlparse
  import paddle
  import paddle.nn
  from paddleseg.cvlibs import manager
  from paddleseg.utils import utils, logger
label_desc: Use image node_id 1 for calling a global function with example usage: ResNet50() and returns: model