Override Example doesn't inherit from Parent

[James Mertz]

class Bird: s/b class Bird(Animal):

[Lea Reimann]

I'm not sure if this is right (my knowledge about python is very small) but I could change that and open a PR (if this repo isn't already dead ^^)

[V2XR]

@lkreimann plz~

[Lea Reimann]

Hopefully I can correct it the right way :) PR will come soon