code: def qs(self) -> Querystring:
      return Querystring(array_format="comma")
  
imports: from __future__ import annotations
  import os
  from typing import Any, Union, Mapping
  from typing_extensions import Self, override
  import httpx
  from .None import resources, _exceptions
  from ._qs import Querystring
  from ._types import NOT_GIVEN, Omit, Timeout, NotGiven, Transport, ProxiesTypes, RequestOptions
  from ._utils import is_given, is_mapping, get_async_library
  from ._version import __version__
  from ._streaming import Stream, AsyncStream
  from ._exceptions import OpenAIError, APIStatusError
  from ._base_client import DEFAULT_MAX_RETRIES, SyncAPIClient, AsyncAPIClient
label_desc: Use image node_id 2 for calling the OpenAI obj's underlying member method code with example usage: obj.qs() and returns: Querystring