Method add_child

django/db/migrations/graph.py:39–40

(self, child)

        return "<%s: (%r, %r)>" % (self.__class__.__name__, self.key[0], self.key[1])

    def add_child(self, child):
        self.children.add(child)

    def add_parent(self, parent):
        self.parents.add(parent)