flake8: move exception from SUITv4 to SUITv3
flake8: move exception from SUITv4 to SUITv3

Co-authored-by: Kaspar Schleiser <3da571cc5fc4657e2d4751aae14f3a8f7e01ed00@schleiser.de>

ant9000/RIOT,ant9000/RIOT,OTAkeys/RIOT,jasonatran/RIOT,OlegHahm/RIOT,yogo1212/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,authmillenon/RIOT,kaspar030/RIOT,authmillenon/RIOT,OTAkeys/RIOT,kYc0o/RIOT,basilfx/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,ant9000/RIOT,miri64/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,yogo1212/RIOT,kYc0o/RIOT,miri64/RIOT,authmillenon/RIOT,yogo1212/RIOT,basilfx/RIOT,authmillenon/RIOT,OTAkeys/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,ant9000/RIOT,miri64/RIOT,kaspar030/RIOT,yogo1212/RIOT,OlegHahm/RIOT,basilfx/RIOT,ant9000/RIOT,yogo1212/RIOT,kaspar030/RIOT,basilfx/RIOT,OlegHahm/RIOT,miri64/RIOT,basilfx/RIOT,kaspar030/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,miri64/RIOT,jasonatran/RIOT,kYc0o/RIOT,jasonatran/RIOT,jasonatran/RIOT,kaspar030/RIOT,RIOT-OS/RIOT