Can't import QVariant from PySide.QtCore package

>>> from PySide.QtCore import QVariant
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: cannot import name QVariant

>>> dir(PySide.QtCore)
['ClassInfo', 'LicensedDeclarative', 'LicensedMultimedia', 'LicensedOpenVG', 'MetaFunction', 'Property', 'QAbstractAnimation', 'QAbstractEventDispatcher', 'QAbstractFileEngine', 'QAbstractFileEngineHandler', 'QAbstractFileEngineIterator', 'QAbstractItemModel', 'QAbstractListModel', 'QAbstractState', 'QAbstractTableModel', 'QAbstractTransition', 'QAnimationGroup', 'QBasicTimer', 'QBitArray', 'QBuffer', 'QByteArray', 'QByteArrayMatcher', 'QChildEvent', 'QCoreApplication', 'QCryptographicHash', 'QDataStream', 'QDate', 'QDateTime', 'QDir', 'QDirIterator', 'QDynamicPropertyChangeEvent', 'QEasingCurve', 'QElapsedTimer', 'QEvent', 'QEventLoop', 'QEventTransition', 'QFSFileEngine', 'QFactoryInterface', 'QFile', 'QFileInfo', 'QFileSystemWatcher', 'QFinalState', 'QGenericArgument', 'QGenericReturnArgument', 'QHistoryState', 'QIODevice', 'QLibraryInfo', 'QLine', 'QLineF', 'QLocale', 'QMargins', 'QMetaClassInfo', 'QMetaEnum', 'QMetaMethod', 'QMetaObject', 'QMetaProperty', 'QMimeData', 'QModelIndex', 'QMutex', 'QMutexLocker', 'QObject', 'QParallelAnimationGroup', 'QPauseAnimation', 'QPersistentModelIndex', 'QPluginLoader', 'QPoint', 'QPointF', 'QProcess', 'QProcessEnvironment', 'QPropertyAnimation', 'QReadLocker', 'QReadWriteLock', 'QRect', 'QRectF', 'QRegExp', 'QResource', 'QRunnable', 'QSemaphore', 'QSequentialAnimationGroup', 'QSettings', 'QSignalMapper', 'QSignalTransition', 'QSize', 'QSizeF', 'QSocketNotifier', 'QState', 'QStateMachine', 'QSysInfo', 'QSystemLocale', 'QSystemSemaphore', 'QT_TRANSLATE_NOOP', 'QT_TRANSLATE_NOOP3', 'QT_TRANSLATE_NOOP_UTF8', 'QT_TR_NOOP', 'QT_TR_NOOP_UTF8', 'QTemporaryFile', 'QTextBoundaryFinder', 'QTextCodec', 'QTextDecoder', 'QTextEncoder', 'QTextStream', 'QTextStreamManipulator', 'QThread', 'QThreadPool', 'QTime', 'QTimeLine', 'QTimer', 'QTimerEvent', 'QTranslator', 'QUrl', 'QUuid', 'QVariantAnimation', 'QWaitCondition', 'QWriteLocker', 'QXmlStreamAttribute', 'QXmlStreamAttributes', 'QXmlStreamEntityDeclaration', 'QXmlStreamEntityResolver', 'QXmlStreamNamespaceDeclaration', 'QXmlStreamNotationDeclaration', 'QXmlStreamReader', 'QXmlStreamWriter', 'Qt', 'QtConcurrent', 'QtCriticalMsg', 'QtDebugMsg', 'QtFatalMsg', 'QtMsgType', 'QtSystemMsg', 'QtValidLicenseForDeclarativeModule', 'QtValidLicenseForMultimediaModule', 'QtValidLicenseForOpenVGModule', 'QtWarningMsg', 'SIGNAL', 'SLOT', 'Signal', 'Slot', '__doc__', '__file__', '__moduleShutdown', '__name__', '__package__', '__version__', '__version_info__', 'qAbs', 'qAcos', 'qAddPostRoutine', 'qAsin', 'qAtan', 'qAtan2', 'qChecksum', 'qCritical', 'qDebug', 'qExp', 'qFabs', 'qFastCos', 'qFastSin', 'qFatal', 'qFuzzyCompare', 'qFuzzyIsNull', 'qInstallMsgHandler', 'qIsFinite', 'qIsInf', 'qIsNaN', 'qIsNull', 'qRegisterResourceData', 'qRound', 'qTan', 'qUnregisterResourceData', 'qVersion', 'qWarning', 'qrand', 'qsrand', 'qtTrId']