Current version in portage is more than five years old (and doesn't support Python 3). https://pypi.org/project/pyacoustid/
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=aefa18a4b002a96c1a560d2bcabb1f692dd21256 commit aefa18a4b002a96c1a560d2bcabb1f692dd21256 Author: Diogo Pereira <sir.suriv@gmail.com> AuthorDate: 2018-07-06 22:34:29 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-07-06 22:54:23 +0000 dev-python/pyacoustid: version bump to 1.1.5 Closes: https://bugs.gentoo.org/653966 Package-Manager: Portage-2.3.40, Repoman-2.3.9 dev-python/pyacoustid/Manifest | 1 + dev-python/pyacoustid/pyacoustid-1.1.5.ebuild | 32 +++++++++++++++++++++++++++ 2 files changed, 33 insertions(+)