code: def setup_method(self):
      TestEdgeMatch_MultiGraph.setup_method(self)
      self.g1 = nx.MultiDiGraph()
      self.g2 = nx.MultiDiGraph()
      self.GM = iso.MultiDiGraphMatcher
      self.build()
  
imports: import math
  from operator import eq
  import networkx
  import networkx.algorithms.isomorphism
label_desc: Use image node_id 1 for calling the TestEdgeMatch_MultiDiGraph obj's underlying member method code with example usage: obj.setup_method() without return types