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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def isomorphic_to(self, other):
 """ Checks if the graphs of two MoleculeGraphs are isomorphic to one another. In order to prevent problems with misdirected edges, both graphs are converted into undirected nx.Graph objects. :param other: MoleculeGraph object to be compared. :return: bool """

        if self.molecule.composition != other.molecule.composition:
            return False
        else:
            self_undir = self.graph.to_undirected()
            other_undir = other.graph.to_undirected()
            nm = iso.categorical_node_match("specie", "ERROR")
            isomorphic = nx.is_isomorphic(self_undir, other_undir, node_match=nm)
            return isomorphic