can not change the background colors of individual headerItem in TableWidget

[mrhaa]

Hello and thank you for the awesome work.

I've faced the issue;
I cannot change the background colors of individual headerItem in TableWidget.

I'd like to change the background color of the first column header.

hi = QTableWidgetItem()
hi.setText("Header1")
hi.setBackground(QColor('red'))

table.setHorizontalHeaderItem(0, hi)

but nothing happens.

Is there any solution?

Thanks in advance.