pyotherside crash qqmlengine

deployment.pri

unix:!android {
    isEmpty(target.path) {
        qnx {
            target.path = /tmp/$${TARGET}/bin
        } else {
            target.path = /opt/$${TARGET}/bin
        }
        export(target.path)
    }
    INSTALLS += target
}

export(INSTALLS)

lib.py

def test():
	return ["Hello World!", 123]

main.cpp

#include <QApplication>
#include <QQmlApplicationEngine>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QQmlApplicationEngine engine;
    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));

    return app.exec();
}

main.qml

import QtQuick 2.3
import QtQuick.Controls 1.2
import io.thp.pyotherside 1.4

ApplicationWindow {
	visible: true
	width: 640
	height: 480
	title: qsTr("Hello World")
	
	Python {
		Component.onCompleted: {
			addImportPath(Qt.resolvedUrl("."));
			importModule("lib", function() {
				call("lib.test", [], function(result) {
					console.log("Result: " + result);
				});
			});
		}
	}
}

qml.qrc

<RCC>
    <qresource prefix="/">
        <file>main.qml</file>
        <file>lib.py</file>
    </qresource>
</RCC>

test.pro

TEMPLATE = app

QT += qml quick widgets

SOURCES += main.cpp

RESOURCES += qml.qrc

# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =

# Default rules for deployment.
include(deployment.pri)