class CSomeClass(QtCore.QObject):

    sProgress = QtCore.Signal(int)

    def someMethod(self):
        sProgress.emit(20)
        #sProgress[int].emit(20)


class CSomeOtherClass(QtCore.QObject):

    def __init__(self):
        self.mSome = CSomeClass()

    def someOtherMethod(self):
        self.mSome.sProgress.connect(self.onSome)
#        QtCore.QObject.connect(self.mSome,
#                QtCore.SIGNAL('sProgress(int)'), self.onSome)

    def onSome(self, pValue):
        print "Called with value: " + str(pValue)