@cached_property
    def host(self):
        return get_host(self.environ, trusted_hosts=self.trusted_hosts)
Tests the ``metrics_since`` template tag when displaying metric
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/wrappers.py/BaseRequest.host--crossover with--dataset/ETHPy150Open bradmontgomery/django-redis-metrics/redis_metrics/tests/test_templatetags.py/TestTemplateTags.test_metrics_since_history