def test_invalid_csrf(self):

        response = self.client.post("/", data={"name": "danny"})
        assert response.data not in b'DANNY'
        assert b'CSRF token missing' in response.data
dataset/ETHPy150Open lepture/flask-wtf/tests/test_validation.py/TestCSRF.test_invalid_csrf/swapped operands of `not in`