The latest TMSU version is 0.7.3 according to https://github.com/oniony/TMSU/releases. I managed to successfully install it by renaming sys-fs/tmsu-0.7.0.ebuild to sys-fs/tmsu-0.7.3.ebuild.
Version 0.7.4 has been released on Nov 8th: https://github.com/oniony/TMSU/releases/tag/v0.7.4
https://github.com/gentoo/gentoo/pull/10626
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=8d1ff250a90d06907692f225c67ffbebc95cd178 commit 8d1ff250a90d06907692f225c67ffbebc95cd178 Author: Horea Christian <horea.christ@yandex.com> AuthorDate: 2018-12-13 03:17:50 +0000 Commit: Joonas Niilola <juippis@gentoo.org> CommitDate: 2020-01-03 19:26:08 +0000 sys-fs/tmsu: version bump to 0.7.4 Package-Manager: Portage-2.3.51, Repoman-2.3.11 Closes: https://bugs.gentoo.org/669810 Signed-off-by: Horea Christian <horea.christ@yandex.com> Closes: https://github.com/gentoo/gentoo/pull/10626 Signed-off-by: Joonas Niilola <juippis@gentoo.org> sys-fs/tmsu/Manifest | 1 + sys-fs/tmsu/tmsu-0.7.4.ebuild | 44 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+)