Crash when Slot is a decorated method

When using a decorated method as a Slot, connecting a signal to it fails on segfault.

Reproducer is attached. Here is the bactrace when running on my computer.

{{Core was generated by `python3 minimal_test.py'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007fb033d90167 in ?? () from /home/maria/.local/lib/python3.9/site-packages/PySide6/libpyside6.abi3.so.6.5
[Current thread is 1 (Thread 0x7fb049cc1740 (LWP 1005493))]
(gdb) #0  0x00007fb033d90167 in ?? () from /home/maria/.local/lib/python3.9/site-packages/PySide6/libpyside6.abi3.so.6.5
#1  0x00007fb033d904a2 in ?? () from /home/maria/.local/lib/python3.9/site-packages/PySide6/libpyside6.abi3.so.6.5
#2  0x00007fb033d9072c in PySide::qobjectConnectCallback(QObject*, char const*, _object*, Qt::ConnectionType) ()
   from /home/maria/.local/lib/python3.9/site-packages/PySide6/libpyside6.abi3.so.6.5
#3  0x00007fb033f74866 in ?? () from /home/maria/.local/lib/python3.9/site-packages/PySide6/QtCore.abi3.so
#4  0x000000000053f350 in ?? ()
#5  0x00000000005ce922 in PyObject_CallObject ()
#6  0x00007fb033d9b565 in ?? () from /home/maria/.local/lib/python3.9/site-packages/PySide6/libpyside6.abi3.so.6.5
#7  0x000000000052ab71 in ?? ()
#8  0x0000000000512192 in _PyEval_EvalFrameDefault ()
#9  0x00000000005106ed in ?? ()
#10 0x0000000000528d21 in _PyFunction_Vectorcall ()
#11 0x0000000000537b80 in ?? ()
#12 0x000000000051d6f5 in _PyObject_MakeTpCall ()
#13 0x00000000005170e4 in _PyEval_EvalFrameDefault ()
#14 0x00000000005106ed in ?? ()
#15 0x0000000000510497 in _PyEval_EvalCodeWithName ()
#16 0x00000000005f5be3 in PyEval_EvalCode ()
#17 0x0000000000619de7 in ?? ()
#18 0x0000000000615610 in ?? ()
#19 0x0000000000619d79 in ?? ()
#20 0x0000000000619816 in PyRun_SimpleFileExFlags ()
#21 0x000000000060d4e3 in Py_RunMain ()
#22 0x00000000005ea6e9 in Py_BytesMain ()
#23 0x00007fb049ceb18a in __libc_start_call_main (main=main@entry=0x5ea6b0, argc=argc@entry=2, argv=argv@entry=0x7fff71737f98) at ../sysdeps/nptl/libc_start_call_main.h:58
#24 0x00007fb049ceb245 in __libc_start_main_impl (main=0x5ea6b0, argc=2, argv=0x7fff71737f98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fff71737f88) at ../csu/libc-start.c:381
#25 0x00000000005ea5ea in _start ()
}}