def setUp(self):
        self.c = []
        log.addObserver(self.c.append)
Removes a "follow" relationship.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_defer.py/LogTestCase.setUp--crossover with--dataset/ETHPy150Open justquick/django-activity-stream/actstream/actions.py/unfollow