def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.setHighlightSections(True)
self.setStretchLastSection(True)
lineEdit = QLineEdit(self.viewport())
lineEdit.setAlignment(Qt.AlignCenter)
lineEdit.setHidden(True)
lineEdit.blockSignals(True)
lineEdit.editingFinished.connect(self.finishEdit)
self.lineEdit = lineEdit
self.sectionEdit = 0
self.sectionDoubleClicked.connect(self.startEdit)
