Debian is applying this patch for wxpython3 compat Thanks https://github.com/mogaal/editra/blob/master/debian/patches/editra-0.7.20%2Bdfsg.1-2.1-nmu.diff
[master 0767bcd2e15] app-editors/editra: Add support from wxpython-3 from Debian (#601088) 2 files changed, 98 insertions(+) create mode 100644 app-editors/editra/editra-0.7.20-r2.ebuild create mode 100644 app-editors/editra/files/editra-0.7.20-wx30.patch