Overriding sort method

def sort(self, column, order=Qt.DescendingOrder):
        """Overriding sort method"""
        if column == 0:
            self.breakpoints.sort(
                key=lambda breakpoint: breakpoint[1])
            self.breakpoints.sort(
                key=lambda breakpoint: osp.basename(breakpoint[0]))
        elif column == 1:
            pass
        elif column == 2:
            pass
        elif column == 3:
            pass
        self.reset()