useless-parent-delegation / W0246

Message emitted:

Useless parent or super() delegation in method %r

Description:

Used whenever we can detect that an overridden method is useless, relying on parent or super() delegation to do the same thing as another method from the MRO.

Problematic code:

class Animal:
    def eat(self, food):
        print(f"Eating {food}")


class Human(Animal):
    def eat(self, food):  # [useless-parent-delegation]
        super(Human, self).eat(food)

Correct code:

class Animal:
    def eat(self, food):
        print(f"Eating {food}")


class Human(Animal):
    """There is no need to override 'eat' it has the same signature as the implementation in Animal."""

Related links:

• Stackoverflow explanation for 'useless-super-delegation'

Created by the classes checker.