/* \method irq_no() Return the irq_no number that the pin is mapped to.  */
STATIC mp_obj_t extint_obj_irq_no(mp_obj_t self_in)
/* \method irq_no() Return the irq_no number that the pin is mapped to.  */
STATIC mp_obj_t extint_obj_irq_no(mp_obj_t self_in)
{
        return MP_OBJ_NEW_SMALL_INT(self->irq_no);
    } else {
        return mp_const_none;
    }
}