<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def set_top_bar_color(self, index):
 """Set the color of the upper frame to the background color of the reftrack status :param index: the index :type index: :class:`QtGui.QModelIndex` :returns: None :rtype: None :raises: None """

        dr = QtCore.Qt.ForegroundRole
        c = index.model().index(index.row(), 8, index.parent()).data(dr)
        if not c:
            c = self.upper_fr_default_bg_color
        self.upper_fr.setStyleSheet('background-color: rgb(%s, %s, %s)' % (c.red(), c.green(), c.blue()))