Consider dropping the option.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3778d0097773c74392746c4e8b048f9387699051 commit 3778d0097773c74392746c4e8b048f9387699051 Author: Andrey Grozin <grozin@gentoo.org> AuthorDate: 2020-01-31 16:49:08 +0000 Commit: Andrey Grozin <grozin@gentoo.org> CommitDate: 2020-01-31 16:49:08 +0000 dev-python/sympy: in 1.5.1-r1, USE flag gtk is dropped Bug: https://bugs.gentoo.org/706336 Package-Manager: Portage-2.3.86, Repoman-2.3.20 Signed-off-by: Andrey Grozin <grozin@gentoo.org> dev-python/sympy/sympy-1.5.1-r1.ebuild | 67 ++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+)
Old versions were dropped in commit ef6b498f7 without looking at this bug.