docs: def _get_config_dirs(self):
          """Return a list of directories where config files may be located.
  
          following directories are returned::
  
            ./
            ../etc
            ~/
            /etc/zvmsdk/
          """
          _cwd = os.path.split(os.path.abspath(__file__))[0]
          _pdir = os.path.split(_cwd)[0]
          _etcdir = ''.join((_pdir, '/', 'etc/'))
          cfg_dirs = [
              self._fixpath(_cwd),
              self._fixpath('/etc/zvmsdk/'),
              self._fixpath('/etc/'),
              self._fixpath('~'),
              self._fixpath(_etcdir),
          ]
          return [x for x in cfg_dirs if x]