def isZip(self, value):
        return bool(self.ZIPNAMEPATTERN.findall(value))
L{DeferredContext.addBoth} returns the L{DeferredContext}.
dataset/ETHPy150Open petrvanblokland/Xierpa3/xierpa3/toolbox/parsers/validator.py/Validator.isZip--crossover with--dataset/ETHPy150Open ClusterHQ/eliot/eliot/tests/test_twisted.py/DeferredContextTests.test_addBothReturnsSelf