AttributeError: 'PySide.QtGui.QPixmap' object has no attribute 'setDevicePixelRatio'

AttributeError: 'PySide.QtGui.QPixmap' object has no attribute 'setDevicePixelRatio'

这是同事离职的项目,调试时出现了一些错误:

File "D:\Program Files (x86)\Python2.7\lib\site-packages\matplotlib\backends\backend_qt5.py", line 591, in _icon pm.setDevicePixelRatio(self.canvas._dpi_ratio) AttributeError: 'PySide.QtGui.QPixmap' object has no attribute 'setDevicePixelRatio'

环境:PyCharm 2017 + Python 2.7.13 套餐:

我该如何解决?

最后我通过安装python-qt5解决了这个问题,抱歉这么晚才关闭问题。