The latest release was back in 2019 and there is no official support for >python3.7. So I'm not sure if it supports even 3.8 but it is keyworded
Also, see: https://github.com/mitsuhiko/pluginbase/issues/21
See: https://github.com/mitsuhiko/pluginbase/pull/22
Upstream fixed the bug report and the new version v1.0.1 is released, please bump https://pypi.org/project/pluginbase/
seems fixed
Not stable yet
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=13dce2e706799c43aeb8cc4cfeb1b08b42e407bd commit 13dce2e706799c43aeb8cc4cfeb1b08b42e407bd Author: Matthew Bakhtiari <dev@mtbk.me> AuthorDate: 2021-05-15 08:29:49 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2021-06-01 00:27:51 +0000 dev-python/pluginbase: add python3.9 support Closes: https://bugs.gentoo.org/789264 Package-Manager: Portage-3.0.18, Repoman-3.0.3 Signed-off-by: Matthew <dev@mtbk.me> Closes: https://github.com/gentoo/gentoo/pull/20814 Signed-off-by: Sam James <sam@gentoo.org> .../files/pluginbase-1.0.0-python3.9.patch | 120 +++++++++++++++++++++ dev-python/pluginbase/pluginbase-1.0.0.ebuild | 6 +- 2 files changed, 124 insertions(+), 2 deletions(-)