code: def __init__(self, graph):
      self.graph = graph
      self.tokens = Token.tokens
      self.parser = yacc.yacc(module=self, start="rf_net", debug=False)
  
imports: from ply import yacc
  from .refine_graph import Token
label_desc: Use image node_id 1 to create a new RefineParser object  with example: obj = RefineParser(graph)