install Qt designer 
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Linux(ubuntu)

	sudo apt-get install python-qt4 qt4-designer

	https://askubuntu.com/questions/763877/how-to-install-and-run-qt-designer-for-python

Windows

	https://build-system.fman.io/qt-designer-download

	https://stackoverflow.com/questions/30222572/how-to-install-qtdesigner

Mac

	https://build-system.fman.io/qt-designer-download

	https://stackoverflow.com/questions/26226730/where-is-qt-designer-app-on-mac-anaconda
