Lines Matching refs:_keys
995 self._keys = []1030 for key in self._keys[:]:1391 if key in self._keys:1392 self._keys.remove(key)1393 elif key not in self._keys:1394 self._keys.append(key)1423 if key in self._keys:1424 self._keys.remove(key)1425 elif key is not None and key not in self._keys:1426 self._keys.append(key)