def data(self, index, role=Qt.DisplayRole):
        """Override Qt method"""
        if not index.isValid() or not 0 <= index.row() < len(self._rows):
            return to_qvariant()
        row = index.row()
        column = index.column()

        name, state = self.row(row)

        if role == Qt.DisplayRole or role == Qt.EditRole:
            if column == 0:
                return to_qvariant(name)
        elif role == Qt.CheckStateRole:
            if column == 0:
                if state:
                    return Qt.Checked
                else:
                    return Qt.Unchecked
            if column == 1:
                return to_qvariant(state)
        return to_qvariant()
def data ( self , index , role = Qt . DisplayRole ) : if not index . isValid ( ) or not 0 <= index . row ( ) < len ( self . _rows ) : return to_qvariant ( ) row = index . row ( ) column = index . column ( ) name , state = self . row ( row ) if role == Qt . DisplayRole or role == Qt . EditRole : if column == 0 : return to_qvariant ( name ) elif role == Qt . CheckStateRole : if column == 0 : if state : return Qt . Checked else : return Qt . Unchecked if column == 1 : return to_qvariant ( state ) return to_qvariant ( )
Override Qt method