code: def test_parse_config_no_values(tmp_path, opt_manager):
      cfg = configparser.RawConfigParser()
      ret = config.parse_config(opt_manager, cfg, tmp_path)
      assert ret == {}
  
imports: from __future__ import annotations
  import configparser
  import os.path
  from unittest import mock
  import pytest
  from flake8 import exceptions
  from flake8.main.options import register_default_options
  from flake8.options import config
  from flake8.options.manager import OptionManager
label_desc: Use image node_id 19 for calling a global function with example usage: test_parse_config_no_values(tmp_path, opt_manager) without return types