code: def get_address(self):
      assert self.http_host and self.http_port
      return self.http_host, self.http_port
  
imports: import asyncio
  import errno
  import ipaddress
  import logging
  import os
  import pathlib
  import sys
  import time
  from math import floor
  from packaging.version import Version
  import ray.dashboard.optional_utils
  import ray.dashboard.utils
  from ray._private.usage.usage_lib import TagKey, record_extra_usage_tag
  from ray._private.utils import get_or_create_event_loop
  from ray._raylet import GcsClient
  from ray.dashboard.dashboard_metrics import DashboardPrometheusMetrics
  from ray.dashboard.optional_deps import aiohttp, hdrs
label_desc: Use image node_id 2 for calling the HttpServerDashboardHead obj's underlying member method code with example usage: obj.get_address() and returns: self,  self