

def patch_start_date(self, start_date):
    return patch('corehq.apps.sms.views.ChatMessageHistory.start_date_str', self)

dataset/ETHPy150Open dimagi/commcare-hq/corehq/apps/sms/tests/test_chat.py ChatHistoryTestCase.patch_start_date/VarMisuse@17/41 `start_date`->`self`