Inherentsy issue

grandpa.py

class Grandpa:
    def print_some_shit(self, item):
        print(item)

class Dad(Grandpa):
    def __init__(self):
        super().__init__()
        self.shit = 'hello'

class Child(Dad):
    def __init__(self):
        super().__init__()
        self.output = super().print_some_shit(self.shit)

Child().output