See comments in commit: 611c73d2
py3-aiohttp needs an older version of py3-multidict. It's needed to make gns3 works. Since is specific for this package, -gns3 suffix is appended and will be added to py3-aiohttp-gns3 This commit fixes the issue: alpine/aports#12334
This was implemented for Gentoo Linux. We utilize it in the user management code in the gentoo ebuild repository.