def get_metric_by_day(self, unique_identifier, metric, from_date, limit=10, **kwargs):
        raise NotImplementedError()
The domain to connect to is a byte string derived from the JID host.
dataset/ETHPy150Open numan/py-analytics/analytics/backends/base.py/BaseAnalyticsBackend.get_metric_by_day--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_client.py/XMPPClientTest.test_domain