def add_features(self, features):
        for feature in features:
            if isinstance(feature, basestring):
                label = feature
                value = None
            else:
                label, value = feature
            self.add_feature(label, value)
Don't issue false warning when an unnamed exception is used.
dataset/ETHPy150Open mokelly/wabbit_wappa/wabbit_wappa/__init__.py/Namespace.add_features--crossover with--dataset/ETHPy150Open timothycrosley/frosted/frosted/test/test_other.py/test_exceptWithoutNameInFunctionTuple