Segfault when calling signal of temporary

from PySide6.QtCore import QObject, Signal, Slot


class Foo(QObject):
    s = Signal(int)

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


    def send(self, i):
        self.s.emit(i)


f = Foo()
f.s.emit(42)  # ok

Foo().send(42)  # ok

Foo().s.emit(42)  # segfault