Method nextIndex

src/bindings/python/PyUtils.h:45–49

    PyIterator(T obj, ARGS ... args) : m_obj(obj), m_args(args ...) {}

    int nextIndex(int num)
    {
        if (m_i >= num) { throw py::stop_iteration(); }
        return m_i++;
    }

    void checkIndex(int i, int num)
    {