def short(self):
        s = self.base()
        svnver = self._getSVNVersion()
        if svnver:
            s += '+r' + str(svnver)
        return s
Handles the 'error' trait being changed.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/python/versions.py/Version.short--crossover with--dataset/ETHPy150Open enthought/traitsui/traitsui/wx/history_control.py/HistoryControl._error_changed