[PyQt] How to reference QTreeView QHeaderView setResizeMode

[Alfalfa]

Here https://doc.qt.io/qt-5/qheaderview-obsol...ResizeMode

void QHeaderView::setResizeMode(QHeaderView::ResizeMode mode)

This function is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code.

Use setSectionResizeMode instead.

See also resizeMode() and setSectionResizeMode().