simple IPython example raises exception on sys.exit()

Question

I\'m doing some very simple PySide (and PyQt) tutorials in IPython. One tutorial just creates a window with some sliders to demonstrate slots and signals.

When I clo

Answer 1

What you need to do is to cause the QApplication to be deleted later as in:

app = QApplication(sys.argv)
app.aboutToQuit.connect(app.deleteLater)

Using this code you can rerun the application as many times as you want in IPython, or anywhere else and every time you close your qt application, the object will be deleted in python.