def setTabIcon(self, c, icon):
        warn('use getTab() and ITab.getIcon() instead', DeprecationWarning)

        info = self._tabs.get(c)
        if info is not None:
            info.setIcon(icon)
            self.requestRepaint()
Return ``config`` (a dict) with the keys downcased. (This is
dataset/ETHPy150Open rwl/muntjac/muntjac/ui/tab_sheet.py/TabSheet.setTabIcon--crossover with--dataset/ETHPy150Open rapidsms/rapidsms-core-dev/lib/rapidsms/router.py/Router._clean_backend_config