"If you want to inherit from an object, just create a class based on that object" is a description of how you'd imitate prototype inheritance in a language that

"If you want to inherit from an object, just create a class based on that object" is a description of how you'd imitate prototype inheritance in a language that only has class-based inheritance. It does not mean you're actually looking at a prototype-based language, and in fact strongly suggests the opposite. You can't get inheritance in Python without engaging with the class system. I suppose you could just say that classes are a particularly restricted sort of prototypes, and thus any class-based language is effectively prototype-based. But at that point "<OOP language> has prototype inheritance" is just tautological based on the set of definitions you've chosen.