code: def __init__(self, args):
      self.args = args
  
imports: from __future__ import division
  from __future__ import absolute_import
  from __future__ import print_function
  from __future__ import unicode_literals
  import math
  import pgl
  import numpy
  import paddle
  import paddle.fluid.layers
  import paddle.fluid
  import paddle.fluid
label_desc: Use image node_id 1 to create a new GraphsageModel object from inherited base classes: object with example: obj = GraphsageModel(args)