def getComponentError(self):
        raise NotImplementedError
ValidationError can be passed a string or a list.
dataset/ETHPy150Open rwl/muntjac/muntjac/ui/tab_sheet.py/ITab.getComponentError--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/core/validators.py/ValidationError.__init__