Please add python3_7 to the PYTHON_COMPAT section of the ebuild. This package builds fine for me with python3_7.
authheaders-0.12.1 is also out now as well so please update to 0.12.1.
Request/update python3_8 support instead of python3_7
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=36353754fb97a9268d9eafb1f754754adcb045e7 commit 36353754fb97a9268d9eafb1f754754adcb045e7 Author: Matthew Thode <prometheanfire@gentoo.org> AuthorDate: 2020-01-12 20:01:25 +0000 Commit: Matthew Thode <prometheanfire@gentoo.org> CommitDate: 2020-01-12 20:19:11 +0000 dev-python/authheaders: 0.12.1 bump with py37 added Fixes: https://bugs.gentoo.org/691788 Package-Manager: Portage-2.3.84, Repoman-2.3.20 Signed-off-by: Matthew Thode <prometheanfire@gentoo.org> dev-python/authheaders/Manifest | 1 + dev-python/authheaders/authheaders-0.12.1.ebuild | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+)