def test_empty(self, alchemy_db):
        backend = SQLAlchemyFilterBackend(
            alchemy_db.query(Place),
            context={'context': 'here'},
        )

        assert 'WHERE 0 = 1' in six.text_type(backend.empty())
    def test_empty(self, alchemy_db):
        backend = SQLAlchemyFilterBackend(
            alchemy_db.query(Place),
            context={'context': 'here'},
        )

        assert 'WHERE 0 = 1' in six.text_type(backend.empty())
    def test_empty(self, alchemy_db):
        backend = SQLAlchemyFilterBackend(alchemy_db.query(Place),
                                          context={"context": "here"})

        assert "WHERE 0 = 1" in six.text_type(backend.empty())