Program shutting down with no error when doing : PythonEngine.Initialize(); #2401

// <inheritdoc />
public bool CheckValidity(string cube)
{
    PythonEngine.Initialize(); // stop append here
    using (Py.GIL())
    {
        dynamic sys = Py.Import("sys");
        sys.path.append(@"..\py-core");
        dynamic service = Py.Import("core");
        bool solve = service.verify(cube);
        PythonEngine.Shutdown();
        return solve;
    }
}