test.py

test.py

import ipdb


class Clase2:
    pass


class Clase1:
    def __init__(self):
        self.example = {}

        @staticmethod
        def callback():
            print(self.example)
            #ipdb.set_trace()

        Clase2.callback = callback
        Clase1.callback = callback


inst = Clase1()
Clase2.callback()