Having YoutubeSearch be a class doesn't really bother me, especially since the point of the post was to demonstrate the use of __ methods, and you can't do that

Having YoutubeSearch be a class doesn't really bother me, especially since the point of the post was to demonstrate the use of __ methods, and you can't do that if you're using a method instead. However, I discourage promoting inheritance (except in the guise of mixin, and even then...) as a way to factorize common functionalities. Composition is usually much better suited.