from PyQt5.QtGui import QGuiApplication
from PyQt5.QtQml import QQmlApplicationEngine
from PyQt5.QtCore import QObject, pyqtSignal, pyqtSlot


class Number(QObject):
    def __init__(self):
        QObject.__init__(self)


    Number = pyqtSignal(real, arguments=['num'])
	@pyqtSlot(real)
	def num(self, arg):
       self.Rotate.emit(num)


if __name__ == "Test2":
    import sys

    app = QGuiApplication(sys.argv)
    engine = QQmlApplicationEngine()
	namber = Number()
    engine.rootContext().setContextProperty("number", number)
    engine.load("base.qml")

    engine.quit.connect(app.quit)
    sys.exit(app.exec_())