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How to use pyqt4 in ros node

Hi, I would like to display a pyqt4 gui in a display.
How I can use pyqt4 in a node and display a window?
Which installation should I do?
Best regards,

I don’t know if it will be completely useful for you, but I wrote a little tutorial on using Qt4 with Python with some examples here:

It doesn’t specifically use ROS, but you can find a couple of packages that do use PyQt4 and ROS that I made some time ago: