TypeError: Cannot create a consistent method resolution order (MRO) [duplicate]

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Your GameObject is inheriting from Player and Enemy. Because Enemy already inherits from Player Python now cannot determine what class to look methods up on first; either Player, or on Enemy, which would override things defined in Player.

You don’t need to name all base classes of Enemy here; just inherit from that one class:

class GameObject(Enemy):
    pass

Enemy already includes Player, you don’t need to include it again.

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