python - Crash in PyScripter with PyQT -

I start using PYQT, and when I launch a second time, my IDE puscutter is systematically shut down goes! Even for very simple code:

Argv) label = QLabel ("Hello World!") Label.show () App.exec_ ()

PyScripter version 2.4.1.0; Python 2.7.1; PyQT4

You must use a remote engine