code: def _get_client(self) -> HTTPClient:
      if self._client is None:
          from .client import HTTPClient
  
          HTTPClient.wait_until_server_ready(
              host=self.host, port=self.port, timeout=self.timeout
          )
          self._client = HTTPClient.from_url(
              f"http://{self.host}:{self.port}"
          )
      return self._client
  
imports: from __future__ import annotations
  import logging
  import os
  import signal
  import subprocess
  import sys
  import textwrap
  import typing
  from abc import ABC
  from abc import abstractmethod
  from typing import TYPE_CHECKING
  from warnings import warn
  from simple_di import Provide
  from simple_di import inject
  from ._internal.bento import Bento
  from ._internal.client import Client
  from ._internal.client.grpc import GrpcClient
  from ._internal.client.http import HTTPClient
  from ._internal.configuration.containers import BentoMLContainer
  from ._internal.service import Service
  from ._internal.tag import Tag
  from ._internal.utils.analytics.usage_stats import BENTOML_SERVE_FROM_SERVER_API
  from .exceptions import InvalidArgument
  from .exceptions import ServerStateException
  from .exceptions import UnservableException
label_desc: Use image node_id 4 for calling the HTTPServer obj's underlying member method code with example usage: obj._get_client() and returns: self