与Linux Mint 17(64位)相同的问题.在网上搜索4小时后就解决了！您需要从/anaconda2/bin

Same problem with Linux Mint 17, 64 bit. It was solved after 4h searching on the net! You need to give these commands on the terminal from folder /anaconda2/bin

sudo ./conda remove qt
sudo ./conda remove pyqt
sudo ./conda install qt
sudo ./conda install pyqt

希望有帮助！