Please port to newer EAPI.
commit 3a467dfdc26d9fc7fadb12bb03ce016cc2e92e7a Author: Marek Szuba <marecki@gentoo.org> Date: Sat Nov 27 00:50:46 2021 +0100 sys-firmware/ipw2100-firmware: update EAPI 5 -> 8
amd64 done
x86 done all arches done