如何防止QAbstractScrollArea / QTableView水平滚动？

from PyQt5.QtWidgets import QAbstractScrollArea

class MyScrollArea(QAbstractScrollArea):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

    def horizontalScrollBar(self):
        return self.parentWidget().horizontalScrollBar()

    def horizontalScrollBarPolicy(self):
        return Qt.ScrollBarAlwaysOff

class MyTableView(QTableView):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

    def horizontalHeader(self):
        return self.parentWidget().horizontalHeader()

    def setSectionResizeMode(self, mode):
        super().setSectionResizeMode(mode)
        self.parentWidget().horizontalScrollBar().setSingleStep(1)

    def resizeEvent(self, event):
        super().resizeEvent(event)
        self.parentWidget().horizontalScrollBar().update()

# ...

my_table_view = MyTableView(parent)
my_table_view.horizontalHeader().setSectionResizeMode(QHeaderView.NoResize)