python3.5 + PyQt4，错误 createBackend() phonon backend plugin could not be loaded
createBackend() phonon backend plugin could not be loaded 错误。用PyQt4写了GUI界面，其中包含一个视频播放器phonon.Phonon.MediaObject(),运行时报错。phonon模块没有加入到python目录中，通过下面语句查看引用库的目录：app=QtGui.QApplication(sys.argv)f
