Enable readline for python

Needed for git as well.
2020-01-11 04:49:35 +01:00 · 2020-01-11 04:49:35 +01:00 · 984b271675
--- a/options.conf.d/system.conf
+++ b/options.conf.d/system.conf
@ -14,7 +14,7 @@ x11-drivers/nvidia-drivers tools

 sys-auth/ConsoleKit2 cgroups polkit

-dev-lang/python tk
+dev-lang/python tk readline

 # needed for valgrind
 sys-libs/glibc build_options: symbols=preserve