def index_to_widget(self, idx):
        """Returns child corresponding to `idx`"""
        nchild = self.mdi_w.get_nth_page(idx)
        return self._native_to_child(nchild)
def index_to_widget ( self , idx ) : nchild = self . mdi_w . get_nth_page ( idx ) return self . _native_to_child ( nchild )
Returns child corresponding to `idx`