def __init__(self, *args, **kwargs):
        assert "model_class" in kwargs, \
            "model_class should be passed"
        assert kwargs['context'] in 'request', \
            "Context must contain request object"

        self.cls = kwargs.pop('model_class')
        super(AlchemyModelSerializer, self).__init__(*args, **kwargs)
dataset/ETHPy150Open dealertrack/djangorest-alchemy/djangorest_alchemy/serializers.py/AlchemyModelSerializer.__init__/swapped operands of `in`