init conv= 0x3c61db70 mid= 65560
PyObjectWrapper DEF CT 0x3c75ba08 (from QML loadProperty, src/qml/jsruntime/qv4qobjectwrapper.cpp:263)
> metaCall PyObject(Dummy, refs=2: 0x73f83a001c70) "PyObject" args[0]= 0x3c75ba08
metaCall >Conv 2 conv= 0x3c61db70
  [ Sbk C++ Ptr Converter does 1:1 passthru since PyObject is not a SbkObject, into QVariant<PyObjectWrapper>.data() ]
metaCall <Conv
< metaCall
PyObjectWrapper CPCT before incref this= 0x3c75bba8 other= 0x3c75ba08 PyObject(Dummy, refs=1: 0x73f83a001c70)
~PyObjectWrapper DT before decref 0x3c75ba08 PyObject(Dummy, refs=2: 0x73f83a001c70)
qml: QML : onCompleted: producer= Producer(0x3c7ae8b0) dummy= QVariant(PySide::PyObjectWrapper, 0x73f83a001c70)
PyObjectWrapper DEF CT 0x73f8280d76e8
> metaCall PyObject(Dummy, refs=2: 0x73f83a001c70) "PyObject" args[0]= 0x73f8280d76e8
metaCall >Conv 2 conv= 0x3c61db70
metaCall <Conv
< metaCall
PyObjectWrapper CPCT before incref this= 0x3c72e8a8 other= 0x73f8280d76e8 PyObject(Dummy, refs=1: 0x73f83a001c70)
~PyObjectWrapper DT before decref 0x73f8280d76e8 PyObject(Dummy, refs=2: 0x73f83a001c70)
qml: QML/onDummyChanged: Before GC
~PyObjectWrapper DT before decref 0x3c75bba8 PyObject(Dummy, refs=1: 0x73f83a001c70)
qml: QML/onDummyChanged: After GC
Traceback (most recent call last):
  File "/home/frkleint/pyside2193.py", line 67, in _sendUpdate
    self.dummyChanged.emit(self._dummy.iteration)

Segmentation fault (core dumped)