Not the question to ask on SO (also can't ask multiple questions), maybe better suits CodeReview. 1, what do you mean by properly? does it work? if yes then probably all is fine. 2. take a look at some OOP tutorials, one simply doesn't need
self
as first argument while the other does. 3. Welcome class is not a container, it just affects the container which is
parent
so you need to change the
parent
stuff,
DownVid
is a window itself (because of inheritance) so it has that attribute inherited —
Matiiss 24 secs ago