Please port to newer EAPI.
commit 8504d35f48cbdc684f06db0828e0843681221418 Author: Marek Szuba <marecki@gentoo.org> Date: Sat Nov 27 00:55:46 2021 +0100 sys-firmware/ivtv-firmware: update EAPI 5 -> 8
amd64 done
x86 done
ppc done all arches done