WiringPi for python2 on Odroid C2 Volumio 2.7..

Hi since a few years I have a odroid C2 based volumio system. I would like to upgrade to the newest version of volumio.

On my C2 I’m running a python 2 script to control some of my peripherals. Therefore I’ve installed wiringpi. The hardkernel version for the odroid. github.com/hardkernel/WiringPi2-Python

It used to run perfectly on the old volumio version. But I cannot get it running on the latest volumio version.
Maybe I install it in the wrong order or I forget to install something (I’ve tried several things to install like python python3 pip pip3 swig …)

Does somebody know how to do this step by step?