python多继承构造方法参数报错

class Rectangle:
    def __init__(self, width, height):
        self.width = width
        self.height = height

    def area(self):
        return self.width * self.height

    def perimeter(self):
        return 2 * self.width + 2 * self.height


class Square(Rectangle):
    def __init__(self, side):
        super().__init__(side, side)


class Cube(Square):
    def surface_area(self):
        return self.area() * 6

    def vilume(self):
        return self.area() * self.width


class Triangle:
    def __int__(self, base, height):
        self.base = base
        self.height = height

    def area(self):
        return self.base * self.height * 0.5


class RightPyramid(Square, Triangle):
    def __int__(self, low_base, slant_height):
        self.low_base = low_base
        self.slant_height = slant_height
        super().__int__(self.low_base)

    def surface_area(self):
        s = super().area()
        p = super().perimeter()
        return s + p * self.slant_height * 0.5


if __name__ == '__main__':
    d = RightPyramid(2,4)
    print(d.surface_area())