def distance(self, fr1, fr2):
        raise NotImplementedError()
Test the request to retrieve the events a user receives.
dataset/ETHPy150Open bolme/pyvision/src/pyvision/face/FaceRecognizer.py/FaceRecognizer.distance--crossover with--dataset/ETHPy150Open sigmavirus24/github3.py/tests/unit/test_users.py/TestUserIterators.test_received_events