问从QWidget和另一个基类的乘法继承？

EN

class Deriv(QtWidgets.QWidget, Base):
    def __init__(self):
        QtWidgets.QWidget.__init__(self)
        Base.__init__(self, "hello world")

    QtWidgets.QWidget.__init__(self)
TypeError: __init__() missing 1 required positional argument: 'id'

#!/usr/bin/env python3
import sys
from PyQt5 import QtWidgets

class Base(object):
    def __init__(self, id):
        self.id = id

class Deriv(QtWidgets.QWidget, Base):
    def __init__(self):
        QtWidgets.QWidget.__init__(self)
        Base.__init__(self, "hello world")

        self.show()

def main():
    app = QtWidgets.QApplication(sys.argv)
    d = Deriv()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()

Traceback (most recent call last):
  File "./test.py", line 22, in <module>
    main()
  File "./test.py", line 18, in main
    d = Deriv()
  File "./test.py", line 11, in __init__
    QtWidgets.QWidget.__init__(self)
TypeError: __init__() missing 1 required positional argument: 'id'

class Deriv(QtWidgets.QWidget):
    def __init__(self):
        QtWidgets.QWidget.__init__(self)

        self.show()