code: def enable_global_auto_override_decorator(flag = True, retrospective = True):
      
      global global_auto_override_decorator
      global_auto_override_decorator = flag
      if import_hook_enabled:
          _install_import_hook()
      if global_auto_override_decorator and retrospective:
          _catch_up_global_auto_override_decorator()
      return global_auto_override_decorator
docs: Enables or disables global auto_override mode via decorators.
      See flag global_auto_override_decorator.
      In contrast to setting the flag directly, this function provides
      a retrospective option. If retrospective is true, this will also
      affect already imported modules, not only future imports.