[PyQt] qt-designer _ question ?

[BLACK HAWK]

hi all
This is the first post in mailing list
and i am beginner in  pyqt4
i have two question

1- when the support for python 3 will come up

2- i use qt-designer so if i make main_window and put any widget in it For example tab_widget
    
    how can i make this tab_widget maximize when i maximize the main_window with qt-designer 



      
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