sudo apt-get install python-qt4-dev

#!/usr/bin/env python
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import sys
 
app = QApplication(sys.argv)
button = QPushButton("proggen.org")
 
QObject.connect(button, SIGNAL("clicked()"), app, SLOT("quit()"))
button.show()
 
sys.exit(app.exec_())