class_docstr: Implementation of VF2 algorithm for matching undirected graphs.
  
  Suitable for Graph and MultiGraph instances.
class_docstr_tok: ["Implementation","of","VF2","algorithm","for","matching","undirected","graphs",".","Suitable","for","Graph","and","MultiGraph","instances","."]
docstr: Generator over isomorphisms between G1 and G2.
docstr_tok: ["Generator","over","isomorphisms","between","G1","and","G2","."]
code: def isomorphisms_iter(self):
      """Generator over isomorphisms between G1 and G2."""
      # Declare that we are looking for a graph-graph isomorphism.
      self.test = "graph"
      self.initialize()
      yield from self.match()
  
imports: import sys
label_desc: Use image node_id 6 for calling the GraphMatcher obj's underlying member method code with example usage: obj.isomorphisms_iter() without return types