code: def fork_name(self, name):
      self.random_seed += 1
      ret = "refine_node_" + name + "_{:04}".format(self.random_seed)
      return ret
  
imports: import numpy
  import tensorflow.compat.v1
  from tensorflow.core.framework.tensor_pb2 import TensorProto
  from tensorflow.core.framework.tensor_shape_pb2 import TensorShapeProto
label_desc: Use image node_id 3 for calling the RefineGraph obj's underlying member method code with example usage: obj.fork_name(name) and returns: ret