xpra is py2.7-only, ipython is py3-only. Given other issues, I'm going to treeclean it along with other packages blocking new IPython.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=543152790a3e07daeb405066d432fc5a71292e3e commit 543152790a3e07daeb405066d432fc5a71292e3e Author: Andreas K. Hüttel <dilfridge@gentoo.org> AuthorDate: 2018-12-02 22:38:56 +0000 Commit: Andreas K. Hüttel <dilfridge@gentoo.org> CommitDate: 2018-12-02 22:38:56 +0000 x11-wm/xpra: Doesn't really need ipython, bug 650832 Closes: https://bugs.gentoo.org/650832 Closes: https://bugs.gentoo.org/672374 Package-Manager: Portage-2.3.52, Repoman-2.3.12 Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org> x11-wm/xpra/{xpra-2.2.2.ebuild => xpra-2.2.2-r1.ebuild} | 3 +-- x11-wm/xpra/{xpra-2.2.6-r1.ebuild => xpra-2.2.6-r2.ebuild} | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-)