code: def setup_method(self):
      self.G1 = barbell_graph(10, 3)
      self.G2 = cycle_graph(10, create_using=nx.DiGraph)
  
      self.G3 = self.create_weighted(nx.Graph())
      self.G4 = self.create_weighted(nx.DiGraph())
  
imports: import pytest
  import networkx
  from networkx.generators.classic import barbell_graph, cycle_graph, path_graph
  from networkx.utils import graphs_equal
label_desc: Use image node_id 1 for calling the TestConvertScipy obj's underlying member method code with example usage: obj.setup_method() without return types