code: def setUpClass(cls):
      url = dataset_server + "p2p-Gnutella04.txt.gz"
      cls.graph = tc.load_sgraph(url, format="snap")
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from .None import util
  import unittest
  import pandas
  from pandas.util.testing import assert_frame_equal
  import turicreate
  from turicreate._connect.main import get_unity
  from turicreate.toolkits._main import ToolkitError
  from turicreate.data_structures.sgraph import SGraph
  from turicreate.data_structures.sframe import SFrame
  import sys
label_desc: Use image node_id 1 for calling the GraphAnalyticsTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types