code: def _fix_config(self, config_settings):
      config_settings = config_settings or {}
      config_settings.setdefault("--global-option", [])
      return config_settings
  
imports: import io
  import os
  import sys
  import tokenize
  import shutil
  import contextlib
  import setuptools
  import distutils
  from setuptools.py31compat import TemporaryDirectory
  from pkg_resources import parse_requirements
  from pkg_resources.py31compat import makedirs
label_desc: Use image node_id 1 for calling the _BuildMetaBackend obj's underlying member method code with example usage: obj._fix_config(config_settings) and returns: config_settings