我如何使用带有思考树冠的Pyqt

I had EPD installed and am giving Canopy (Windows 7 64-bit, Academic license) a go. When I first started Canopy, nothing happened (no GUI, no error message) and I realized this is because I had QT_API set to pyqt. Changing qt_api to pyside allows me to start Canopy. After doing this I have checked that pyqt is installed through the Canopy package manager. However Canopy refuses to start with QT_API set to pyqt. How can I fix this? I have a big project with everything in pyqt, so I want to use it.I had EPD installed and am giving Canopy (Windo