docs: def _setsetting(setting, default):
      """Dynamically sets the variable named in `setting`
  
      This method uses `_getsetting()` to either fetch the setting from Django's
      settings module, or else fallback to the default value; it then sets a
      variable in this module with the returned value.
      """
      value = _getsetting(setting, default)
      setattr(_self, setting, value)