net-im/err should support Python 3.7. Further, it appears there have been 6 releases since the release we have an ebuild for in Gentoo. https://errbot.readthedocs.io/en/latest/#release-history
Depends on unmaintained dev-python/sleekxmpp, please consider pick up that package or investigate if net-im/err can make use of supposed replacement package dev-python/slixmpp.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=523f33030115633b29ff950cc76361eb4dc23ce1 commit 523f33030115633b29ff950cc76361eb4dc23ce1 Author: Sergey Popov <pinkbyte@gentoo.org> AuthorDate: 2020-08-11 11:24:49 +0000 Commit: Sergey Popov <pinkbyte@gentoo.org> CommitDate: 2020-08-11 11:27:51 +0000 net-im/err: version bump Set supported Python version to 3.7 Migrate away from vulnerable sleekxmpp to slixmpp Update HOMEPAGE and metadata Closes: https://bugs.gentoo.org/show_bug.cgi?id=725664 Closes: https://bugs.gentoo.org/show_bug.cgi?id=735830 Package-Manager: Portage-2.3.103, Repoman-2.3.23 Signed-off-by: Sergey Popov <pinkbyte@gentoo.org> net-im/err/Manifest | 1 + net-im/err/err-6.1.4.ebuild | 91 +++++++++++++++ net-im/err/files/err-6.1.4-slixmpp.patch | 190 +++++++++++++++++++++++++++++++ net-im/err/metadata.xml | 6 +- 4 files changed, 283 insertions(+), 5 deletions(-)